new type butterfly Tower Bolt
material:steel
finish:zinc plating ,nickel plating
size:20mm-125mm
butterfly tower boltMaterial: steel, stainless steelSize:20mm 30mm 40mm 50mm 60mm 80mm 100mm 125mmthickness:1.0mm 1.2mmSurface finish: ZP/NP/BPPacking: 12 pcs in inner box...