Specifications:Features:- Our resin cutting discs set is made by low loss materials with sharp blade,in good shape with no broken edges. - It is durable,safe and efficient,can be easily attached to the rotary tools. - Ideal for cutting all kinds of metal,cuting bolts or screws or removing rusted or stripped bolts and screws by making slots in them.- They come with a 2mm mandrel for mounting in compatible hobby tools with the same sized chuck.- Usage: Use with rotary tools, for cutting metal/plastic/fiber/wood,etc.Material: ResinColor: BlackDiscs Dia. : 32mmMandrel Size: 37mm (L) x 2mm (Dia.)Package Weight : 45 G / 1.59 OuncesPackage Dimensions (L*W*H) : 50*50*20 MM / 1.97*1.97*0.79 InchesRetail Packaging: No, No PackingPackage Include:25 x Cutting Disc Set1 x Mandrel