60 mm Wire Block - For 6mm backstay and 5 mm soft wire60 mm plain bearing for high load applications such as backstay. Electropolished stainless cheeks and black anodized aluminium sheave with polymer plain bearing. Features a 8 mm pin and a bushing for 10 mm application. This block is optimised for 5 mm soft wires (7x19 strand) or Dyneema Spectra core. SubType: single Size: 60 SWL: 1500 kg W1: 12. 50 W2: 8. 50 Pin1: 8. 00 Pin2: 10. 00 Breaking Load (kN): 3000 kg MaxBackstayW: 6 mm MaxSheaveW: 5 mm