Studs following the enclosed drawings Drawing 1: Studs with 2 nuts FE M8 black UNI 5588-65 2 washers Fe 8,5x18x2,5 black Material: FE 34/B = St 37 DIN 171002 1000 pcs/month Drawing 2: Studs M6x155 FE white zinc 1000 pcs/month