Schaefer Single Stainless Steel Block - 51mm Sheave [505-05] Cartography | Garmin BlueChart This ensures that the switch

This ensures that the switch meets ABYC requirements

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Schaefer Single Stainless Steel Block - 51mm Sheave [505-05] Cartography | Garmin BlueChart This ensures that the switchSingle Stainless Steel Block 51mm Sheave Single block with stainless steel cheeks. Delrin sheave ensures smooth operation and high safe working load. Specifications: Sheave Dia. 2" (51mm) Thickness 15 16" (24mm) Width 2 1 8" (54mm) Length 4 13 32" (112mm) SWL 1750 lbs. (795kg) Weight 7. 1oz (201g) Max Line 7 16" (11mm)