Harken Swivel Base with 338 Micro Cam-Matic and 16mm Sheaves Badge_Disc Sheave 57 mm Length 110

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

our blocks are the strongest and best available on the market

Length 73 mm Width  57 mm Car Body Height  24 mm Weight  145 g Mainsheet Block Pin  5 mm Control Block Pin 4 mm Maximum Working Load 386 kg Breaking Load 1134 kg Minimum Curved Track Radius  1

5 m Includes Upper Swivel 164 Includes Drum 165 Includes drum and upper swivel

8 mm Length  125

Harken Swivel Base with 338 Micro Cam-Matic and 16mm Sheaves Badge_Disc Sheave 57 mm Length 110Ball 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