Manufacturer part #: 704-05.
Schaefer's 8 Series Stainless Blocks add strength and brilliance to your deck. Featuring Delrin™ sheaves, forged stainless steel D shackles, bolted construction for strength and Stainless Steel cheeks polished to a high luster add beauty and confidence to your boat.
Manufacturer part #: 704-05
7 Series Blocks offer medium sized cruising and racing yachts Delrin™ and Delrin™ Ball Bearing sheave Blocks with a stunning combination of strength and performance. Available with highly polished Stainless Steel or Black Hardcoat Anodized Aluminum cheeks that are reinforced with large Stainless Steel V-Straps and head posts This robust yet lightweight construction produces an exceptionally strong block built to perform well past other plastic designs. Use only the toughest, high-impact material available so you'll be sailing while others are fixing failed gear.
7 Series Blocks work with convenient Universal Adapters and contain our three-way head that allows for free swiveling or front/side set positions. of boats.
Cheeks are constructed of tumbled and polished Stainless Steel or Hardcoat Anodized Aluminum for maximum corrosion resistance and strength. Sheaves are made of high-impact Delrin™ or Delrin™ with Delrin™ Ball Bearings.
Use for:
Mainsheet Systems boats to 34' (10.3m)
Halyard Leads boats to 34' (10.3m)
Genoa Leads boats to 34' (10.3m)
Control Lines boats to 45' (13.7m)
Schaefer's 8 Series Stainless Blocks add strength and brilliance to your deck. Featuring Delrin™ sheaves, forged stainless steel D shackles, bolted construction for strength and Stainless Steel cheeks polished to a high luster add beauty and confidence to your boat.
| Features | American | Metric |
|---|---|---|
| Description | Single Universal Head Aluminum Block | |
| Lenght | 5 1/32 in | 128 mm |
| Width | 2 1/2 in | 64 mm |
| Overall Thickness | 1 3/32 in | 28 mm |
| Sheave Ø | 2 3/8 in | 60 mm |
| Sheave Width | 3/4 in | 19 mm |
| Maximum Line Ø | 1/2 in | 13 mm |
| Pin Ø | 1/4 in | 6 mm |
| Safe Working Load Aluminum | 2250 lb | 1020 kg |
| Safe Working Load Ball Bearing | 1700 lb | 771 kg |
| Weight | 7.4 oz | 210 g |
Manufacturer part #: 704-05
7 Series Blocks offer medium sized cruising and racing yachts Delrin™ and Delrin™ Ball Bearing sheave Blocks with a stunning combination of strength and performance. Available with highly polished Stainless Steel or Black Hardcoat Anodized Aluminum cheeks that are reinforced with large Stainless Steel V-Straps and head posts This robust yet lightweight construction produces an exceptionally strong block built to perform well past other plastic designs. Use only the toughest, high-impact material available so you'll be sailing while others are fixing failed gear.
7 Series Blocks work with convenient Universal Adapters and contain our three-way head that allows for free swiveling or front/side set positions. of boats.
Cheeks are constructed of tumbled and polished Stainless Steel or Hardcoat Anodized Aluminum for maximum corrosion resistance and strength. Sheaves are made of high-impact Delrin™ or Delrin™ with Delrin™ Ball Bearings.
Use for:
Mainsheet Systems boats to 34' (10.3m)
Halyard Leads boats to 34' (10.3m)
Genoa Leads boats to 34' (10.3m)
Control Lines boats to 45' (13.7m)