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Schaefer
Product Description

12 Series Blocks, contain powerful 4" diameter 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 your get the lasting quality you need.

Common Specifications:
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.

Part Number: 120-15-UC


Specifications
Imperial Metric
Length 9 25/32" 248 mm
Overall Thickness 1 1/2" 38 mm
Sheave Dia. 4" 102 mm
Sheave Width 1 1/32" 26 mm
Max Line Dia. 3/4" 19 mm
Max Wire Size 5/16" 8 mm
Safe Working Load 5000 lb 2270 kg
Pin Dia. 7/16" 12 mm
Weight 3 lb 1 oz 1.39 kg

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Schaefer SS Single Block 3-Way Universal Head/ Becket/ Aluminum Sheave/ Nomex/BB
SCH12015UC
List Price: $ 959.50
Price: $ 716.95
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