Consists of:1 x Set of 4 Quick Release BracketsInstallation HardwareFitting Instructions Materials used:Black powder coated steel304 Stainless steel Product Dimensions: (Per assembled bracket)131mm (5.2'') L x 142mm (5.6'') W x 60mm (2.4'') H (Per Assembled Bracket) Weight:3.3kg (7.3lbs)