Adam Hall Super Clamp Bolt Set 1, Black Universal Clamp and Bolt SS018, Adjustable clamping lever - can be operated in any position, Full metal design - stainless steel and aluminium diecast alloy, For fixing to round and rectangular pipes as well as flat objects, Clamping range: 13 - 55 mm, 5/8"" (16 mm) hexagonal or round pin holder, 1 x M6 thread and 2 x M5 thread, TÜV tested, Load capacity: 20 kg, Rustproof, Surface: Black, powder-coated, Includes 16 mm bolt M10 for SCP710B, Numerous fixing bolts available (not included)