M10x90mm 304 Stainless Steel Ring Lifting Sleeve Expansion Closed Hook Eye Bolt DC Worm Gear Motors -Exit switches come in handy

-Exit switches come in handy when one wants to regulate the comings and goings of people

Its temperature controlling range is from 0 to 60

Bottom Hole Diameter: 10mm / 0

strong and tight

M10x90mm 304 Stainless Steel Ring Lifting Sleeve Expansion Closed Hook Eye Bolt DC Worm Gear Motors -Exit switches come in handyMade from 304 stainless steel for maximum corrosion resistance and durability. Expansion is created by tightening a threaded bolt which draws a tapered cone expanding a sleeve against the walls of the hole. Easy to install. Widely used in fence,burglarproof doors and window,canopy,air conditioning fixation,home decoration,engineering,etc.