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Schaefer 5 Series Sit and Up Spring Block Stainless Steel Cheeks/Base

(46 customer reviews)

Make sure this fitsby entering your model number.
Stainless Steel cheeks
Stainless Steel base

Amazon.com Price: $124.50 (as of 12/09/2023 15:02 PST- Details)

Schaefer blocks have been manufactured in the United States since 1966 and are known for their legendary strength. Blocks are made from 316 stainless steel and hard coat anodized 6061-T6 aluminum alloy while the sheaves are made of UV protected Delrin. Schaefer offers the widest range of products for building block and tackle systems. Halyard/Control Blocks are excellent for fixed position halyard, sheet or control line fairleads. Block swivels 360 degrees, tilts in all directions and is supported by a heavy gauge stainless steel sprint to prevent deck contact. Large diameter base helps distribute loads to a larger surface area than other smaller designs.

Make sure this fitsby entering your model number.
Stainless Steel cheeks
Stainless Steel base
Delrin plain bearing sheave
Safe Working Load 1750(795kg)
C/C Fasteners 1-13/32 Inch(36mm) base diameter 2-7/8(73mm)

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Based on 46 reviews

5.0 overall
46
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  1. Charlotte Martin (verified owner) –

    I can’t speak highly enough about the value this product offers.

    Charlotte Martin –

  2. Samuel (verified owner) –

    This product is the perfect solution for your needs.

    Samuel –

  3. Samuel Mitchell (verified owner) –

    The quality of this product is outstanding and it’s worth every penny.

    Samuel Mitchell –

  4. Michael (verified owner) –

    This product is a real workhorse, and it never fails to perform.

    Michael –

  5. Alan (verified owner) –

    This product is a reliable choice that won’t disappoint.

    Alan –

  6. Patrick (verified owner) –

    This product is a fantastic addition to my collection I use it every day without any issues.

    Patrick –

  7. Ryker (verified owner) –

    This is a versatile product that’s perfect for both beginners and experts.

    Ryker –

  8. Benjamin Lewis (verified owner) –

    I can’t speak highly enough of this fantastic product.

    Benjamin Lewis –

  9. David Parker (verified owner) –

    I’ve found great value in using this product.

    David Parker –

  10. Lily Morgan (verified owner) –

    This brand consistently delivers quality and value.

    Lily Morgan –

  11. Ryan (verified owner) –

    The customer service for this brand is exceptional they truly care about their customers.

    Ryan –

  12. William King (verified owner) –

    The customer service for this brand is exceptional.

    William King –

  13. Charlotte Martin (verified owner) –

    If you’re looking for quality and affordability, this product is the answer.

    Charlotte Martin –

  14. Zoey Edwards (verified owner) –

    The reliability and efficiency of this product are unbeatable.

    Zoey Edwards –

  15. Dominic (verified owner) –

    I’m thrilled with the results I’ve seen from using this product.

    Dominic –

  16. Nicholas (verified owner) –

    This product is a fantastic addition to my collection.

    Nicholas –

  17. Riley (verified owner) –

    I’m amazed by the efficiency and effectiveness of this product.

    Riley –

  18. Nicholas Garcia (verified owner) –

    I was pleasantly surprised by how well this product works.

    Nicholas Garcia –

  19. Grace Scott (verified owner) –

    I’m a happy customer; this product is a must-have.

    Grace Scott –

  20. Sophia Turner (verified owner) –

    I’ve seen great results from using this product.

    Sophia Turner –

  21. Liam (verified owner) –

    I’m impressed by the continuous innovation from this brand.

    Liam –

  22. Zohar (verified owner) –

    The value for money you get with this product is unmatched.

    Zohar –

  23. David (verified owner) –

    It’s the little things that make this product exceptional it’s a winner.

    David –

  24. Samuel Hall (verified owner) –

    I’ve tried many products in this category and this one stands out it’s a true winner.

    Samuel Hall –

  25. Ava Green (verified owner) –

    This product has become an essential part of my daily routine I can’t imagine life without it.

    Ava Green –

  26. Owen Foster (verified owner) –

    I’ve tried many products in this category and this one stands out it’s a true winner.

    Owen Foster –

  27. James Wilson (verified owner) –

    I’ve seen great results from using this product.

    James Wilson –

  28. Sophia Turner (verified owner) –

    I’m confident in recommending this product to others.

    Sophia Turner –

  29. Olivia Wright (verified owner) –

    I can’t believe I didn’t buy this sooner it’s a great addition to my daily routine.

    Olivia Wright –

  30. Aria Evans (verified owner) –

    The value for money you get with this product is unmatched.

    Aria Evans –

  31. Daniel Butler (verified owner) –

    I’m thrilled with the results I’ve seen from using this product.

    Daniel Butler –

  32. Isaac Wood (verified owner) –

    This product is a fantastic addition to my collection I use it every day without any issues.

    Isaac Wood –

  33. Ella Nelson (verified owner) –

    I’ve used this product for a while now, and it’s still going strong.

    Ella Nelson –

  34. Jackson Cook (verified owner) –

    This product has made my life easier in so many ways it’s a must-own.

    Jackson Cook –

  35. Chloe Rivera (verified owner) –

    I’m extremely satisfied with this purchase it exceeded my expectations.

    Chloe Rivera –

  36. Joshua Wright (verified owner) –

    The value for money you get with this product is unmatched.

    Joshua Wright –

  37. James Wilson (verified owner) –

    It’s hard to find a product this good at such a reasonable price I’m very happy with my purchase.

    James Wilson –

  38. Daniel (verified owner) –

    If you’re looking for quality and affordability, this product is the answer.

    Daniel –

  39. Ryan (verified owner) –

    The value this product offers is remarkable.

    Ryan –

  40. Sophia Turner (verified owner) –

    I’ve found great value in using this product.

    Sophia Turner –

  41. Henry Bailey (verified owner) –

    This product has improved my life in so many ways I highly recommend it.

    Henry Bailey –

  42. Lucas (verified owner) –

    The value this product offers is remarkable.

    Lucas –

  43. Liam (verified owner) –

    This is a product that delivers on all its promises.

    Liam –

  44. David (verified owner) –

    I’ve been nothing but satisfied with this purchase.

    David –

  45. Nolan (verified owner) –

    This product is a true winner and worth every cent.

    Nolan –

  46. Bryan (verified owner) –

    This product is a true winner and worth every cent.

    Bryan –

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