Yasorn M6 Open Cup Hook Expansion Screws Stainless Steel Ceiling Hook Bolts 5-Pack Hook Expansion Bolt M6 Size:Hook Expansion Bolt M6 2 standard parts of the

2 standard parts of the axis into a 90 degree connection

Carbon steel brush(Black) for general rust

Upgraded Protection With Premium Material With 3 layers of high-quality material

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They will save you hundreds from otherwise buying and installing fluorescent lights or something similar

Yasorn M6 Open Cup Hook Expansion Screws Stainless Steel Ceiling Hook Bolts 5-Pack Hook Expansion Bolt M6 Size:Hook Expansion Bolt M6 2 standard parts of theYasorn M6 Open Cup Hook Expansion Screws Stainless Steel Ceiling Hook Bolts 5 Pack Product Features Standard size M6 screw hooks ,easy to install. Stainless steel finish offers rust protection. Used in concrete and masonry . Expansion is created by tightening a threaded bolt which draws a tapered cone expanding a sleeve against the walls of the hole. Heavy duty hook screw bolts,they can approximately hold 120KG weight