Description; Made of Zinc plated carbon steel, a replacement for damaged washer in your machine, furniture, or other things. Washers are normally used to distribute loads of threaded bolts, screws, and nuts evenly as the fastener is tightened. Intended for general use under the head of a bolt or nut in order to provide a smooth surface. Specification: Product Name: Flat Washer Size: 30mm x 12mm x 2mm/1.18" x 0.47" x 0.08"(Inner Dia x OD x T) Material: Carbon Steel Color: Silver Tone Package Content: 100Pcs x Flat Washer