Harken Swivel Ball-and-Socket Base - 25mm Biobor Suitable for engine or gearbox

Suitable for engine or gearbox oil drains via dipstick hole

For those boaters who enjoy a lighter

Joker Valve

Rudder Width 1/2" (13 mm)

Super Lube® Multi-purpose Synthetic Aerosol 11 Oz

Harken Swivel Ball-and-Socket Base - 25mm Biobor Suitable for engine or gearboxStand up bases allow a wide variety of blocks to be held upright, swivel freely, or pivot so lines have a fairlead under load. The ball and socket design lets blocks articulate up to 45 degrees and swivel freely. The 460 and 461 bases (high load versions of the 010 and 029) have stainless steel reinforcement plates to handle the high load capacities of 57 mm and 75 mm Carbo blocks.