Shanghai RiCheng-RCCN,specialized manufacture Strain-Relief Bushing,Snap Bushing,OpenClose Snap Bushing,Snap Bushing-rsb,HOLE PLUG,Grommet,Movable Bushing,Eding Gromment,Screw Plug ROHS,REACH CERT!

Material: soft retaining line button ring NBR, another three yuan second or silica gel. Color can be customized.

Use: the rough iron hole into a sleek outlet hole. A variety of wire and cable protection and insulation.

Use method: without a tool, as long as gently pressure, can complete assembly.