Schaefer Single Aluminum Block - 51mm Sheave [504-05] Marine Navigation & Instruments | Transducers ultraviolet-resistant nylon material with 316

ultraviolet-resistant nylon material with 316 super buff stainless steel tubing

but switches off when it's released

Lexan cover protects electrohydraulic unit from occasional wash down

H1 - 239mm (9-3/8")

Schaefer Single Aluminum Block - 51mm Sheave [504-05] Marine Navigation & Instruments | Transducers ultraviolet-resistant nylon material with 316Single Aluminum Block 51mm Sheave Single block with anodized aluminum cheeks. Delrin sheave ensures smooth operation with high safe working load. Swivel head may be locked in place to avoid twist. Specifications: Sheave Dia. 2" (51mm) Thickness 15 16" (24mm) Width 2 1 8" (54mm) Length 4 13 32" (112mm) SWL 1750 lbs. (795kg) Weight 5oz. (142g) Max. Line size 7 16" (11mm)