Made of high-strength aeronautical aluminum. - Anodized color
60% lighter than stainless steel. TYPE: THREADED SCREWS THREAD: M4 X 0.7 DIAMETER: 4MM LENGTH: 12MM HEAD: CUFFED HEAD DRIVE: ALLEN SURFACE: ANODIZED MATERIAL: ALU QUALITY CATEGORY: NO QUALITY CATEGORY SEAL/WASHER: ALU SPECIALTY: HEAD DIAMETER 12 MM LENGTH: 15MM LENGTH: 25MM SURFACE: BLACK ANODIZED SEAL/WASHER: PLASTIC SPECIALTY: HEAD DIAMETER 8 MM