Description
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.
| Sheave Ø (mm) | 40 mm |
| Sheave Ø (in) | 1 9/16 in |
| Length (mm) | 88 mm |
| Length (in) | 3 15/32 in |
| Weight (g) | 39 g |
| Weight (oz) | 1.4 oz |
| Maximum line Ø (mm) | 5 mm |
| Maximum line Ø (in) | 3/16 in |
| Maximum working load (kg) | 125 kg |
| Maximum working load (lb) | 275 lb |
| Breaking load (kg) | 450 kg |
| Breaking load (lb) | 992 lb |
