This Clamping Screw Set DIN 7380 features the following pieces: M3 x 6mm - M5 x 30mm, 80 nuts: M3, M4, M5; 375 U-discs: M3, M4, M5; 381 snap rings: M3, M4, M5, supplied in a protective six-compartment plastic box. * 400 x 250 x 130mm (L x W x H) * DIN 7380 * 10.9 high tensile