Schaefer Single Aluminum Block - 51mm Sheave [504-05] Marine Navigation & Instruments | Cameras - Network Video When the system is activated

When the system is activated the electrical charge applied to the patented plates generates the disinfectant to kill viruses and bacteria

Matte Black with forged aluminum

using polished Stainless Steel and UV-resistant non-slip Santoprene

110mm x 115mm footprint is identical to older Raymarine ST60+ instrumentation making upgrading easy

Ten (10) 6" Wire ties

Schaefer Single Aluminum Block - 51mm Sheave [504-05] Marine Navigation & Instruments | Cameras - Network Video When the system is activatedSingle 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)