This kit will come with nuts, washers, and threaded lamp pipes. The nuts is used for fastening the lamp pipes and the flat washers can distribute loads of threaded pipes, provide a smooth surfKrixis . Mainly applied on repairing or replacing chandelier,ceiling light or DIY projects.SpecificationMaterial: Carbon SteelSurfKrixis Treatment: Zinc PlatingThread Size: 1/8IPLamp Pipe Inner Dia: 7mm / 0.28"Lamp Pipe Length:20/40/50/100/200/300mm,0.79"/1.58"/1.97"/3.94"/7.87"/11.8"Sloted Hex Nut Size: 14x30mm / 0.55"x1.18"Nut Size: 4mmx14mm / 0.16"x0.55"(T*W)Flat Washer Size: 10mmx20mm / 0.39"x0.79"(ID*OD)Teeth Washer Size: 10mmx17mm / 0.39"x0.67"(ID*OD)Packing List: 6 x Lamp Pipe(20,40,50,100,200,300mm each size have 2pcs), 2 x Slotted Nut, 24 x Nut, 24 x Flat Washer, 24 x Teeth Washer, 24 x Lamp Pipe Insert Plug(Black, Plastic)Advantage 1.