* Series 28 Blocks are available in a wide range of configurations and offer the primary demands in design, high performance and strength with compact design. The plain bearing Nova have two tone dark greys. They are ideal for control lines on dinghies to yachts. All beckets(where applicable) have removable pins to make rope take off attachment easy. * Sheave size:28mm * Max.line size: 8mm * Overall height: 49mm * Weight: 25g * Shackle pin diam.: 5mm * Breakload Kgs.:850kgs * Max.working load: 430kgs.