●Material: 6AL/4V (TC4) titanium alloy, grade 5 ●Features: high strength, lightweight, wear-resistant, corrosion-resistant and durable. Multi-purpose screw, usually for motorcycle and bicycle ●SIZE DETAILS Head Diameter:13.2mm/0.51 "; Head Height:8mm/0.31 "; Compatible with 6mm Hex ●All dimensions are measured manually, please allow 0.1-0.2mm error. ●Package Content:5 x Titanium Bolts