Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200] Marine Plumbing & Ventilation | Transfer Pumps Terminal Studs: 2x3/8"-16

Terminal Studs: 2x3/8"-16

Color: Blue Nights

Fully sealed protective motor housing

500 GOLD Series

Heavy Duty Spare Tire Carrier

Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200] Marine Plumbing & Ventilation | Transfer Pumps Terminal Studs: 2x3/8"-16Series 40 All Purpose Block Double Block Full Swivel Head All purpose (AP) blocks are a great all around solution. Self lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Head swivels freely. Features: Exceptionally