Manufacturer part #: 120-05-UC.
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 | Stainless Single Block | |
| Lenght | 8 9/32 in | 210 mm |
| Width | 4 in | 102 mm |
| Overall Thickness | 1 1/2 in | 38 mm |
| Sheave Ø | 4 in | 102 mm |
| Sheave Width | 1 1/32 in | 26 mm |
| Maximum Line Ø | 3/4 in | 19 mm |
| Maximun Wire Size | 5/6 in | 8 mm |
| Pin Ø | 7/16 in | 12 mm |
| Safe Working Load | 5000 lb | 2270 kg |
| Weight | 13 oz | 679 g |
Manufacturer part #: 120-05-UC
12 Series Blocks, contain powerful 4 in Ø sheaves to handle the loads generated by large offshore yachts. Highly polished Stainless Steel cheeks are reinforced with Stainless Steel V-Straps for strength and durability under load.
Precision machined Aluminum sheaves are scored for line or wire and feature our self-contained Universal Circuit package with the Nomex™/Teflon™ composite bearing and twin bearing races for maximum thrust load capacity. Powerful, oversized sheaves and Schaefer's distinctive qualities ensure that you get the lasting quality you need.
Cheeks are constructed of tumbled and polished Stainless Steel or Hardcoat Anodized Aluminum. Sheaves are computer machined Aluminum Ball Bearing UC sheave for line or wire running using our Nomex™/Teflon™ Bearing.
Use for:
Mainsheet Systems boats to 60' (18.3 m)
Halyard Leads boats to 60' (18.3 m)
Genoa Leads boats to 60' (18.3 m)