Harken Swivel Base with 338 Micro Cam-Matic and 16mm Sheaves Badge_Disc Remember to keep knife blades

Remember to keep knife blades sharpened as dull blades can be potentially dangerous

our blocks are the strongest and best available on the market

Swivel Lock – The swivel can be locked in 90-degree orientations with the small black swivel lock at the top of the block

Sheave 57 mm Length  110 mm Weight  156 g Width  50 mm Maximum Line  10 mm  Maximum Working Load  227 kg Breaking Load  554 kg Height  66 mm

Harken Swivel Base with 338 Micro Cam-Matic and 16mm Sheaves Badge_Disc Remember to keep knife bladesBall bearing swivel bases feature dual rows of Delrin ball bearings that swivel freely even under high loads. Bases include stand up springs and a U adaptor to accept a variety of appropriate blocks. Height 46mm Weight 136g Min Line 3mm Maximum line 6mm Fastener Spacing 26mm Maximum Working Load 91kg