ball bearing block / single / lashing / max. rope ø 5 mm
Number of sheaves:
Maximum line diameter:
max. rope ø 5 mm
125 kg (275.6 lb)
450 kg (992.1 lb)
The 18 mm block features stainless steel ball bearings and an integrated stainless inner race and rivet for optimal strength-to-weight. The 40 mm blocks feature composite sheaves that spin freely on Delrin® ball bearings with curved bearing races. They have no metal shackles or rivets, making them the lightest soft-attach blocks Harken has ever designed.
Delrin is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.