M3x6mmx0.5mm Stainless Steel Round Flat Washer for Bolt Screw 100Pcs Product Name: Flat Washer; Material: Stainless Steel Weight: 20g; Package Content: 100(+/-2%) x Flat Washer Main Color: Silver Tone; Inner Dia: 3mm/0.12" Outer Dia: 6mm/0.24" Thickness: 0.5mm/0.02"