Feature

●[A Kit Package Includes]: This kit includes 7 size of M3 M4 M5 M6 M8 M10 M12 total 280pcs in a transparent box, applicable to different sizes of fasteners
●[B Kit Package Includes]: This kit includes different diameters and thicknesses washers totally 320pcs are stored in a transparent plastic box, convenient for your storage and use
●[Durable Material]: The fasteners of A kit are made of high quality 65Mn steel, hard and durable. And the rings of B kit are made of carbon steel can provide good strength, hardness and abrasion performance
●[Product Feature]: Curved spring washer of B kit resist loosening through vibration rely on elastic force
●[Application]: These washers are perfect for electrical connections on household and commercial appliances, washers are normally used to distribute loads of threaded bolts, screws and nuts evenly as the fastener is tightened.

Description