Invisible Floating Shelf Brackets, 4" (100mm), Hidden Blind Supports for Concealed Shelves, Pack of 2 1" To tighten a reverse threaded

To tighten a reverse threaded screw

The maximum voltage of 500V

Control Type : Extenal Control

: Z-15HW78-B

Wet and dusty wall adversely to paste

Invisible Floating Shelf Brackets, 4" (100mm), Hidden Blind Supports for Concealed Shelves, Pack of 2 1" To tighten a reverse threadedSpecifications: Material: Iron Shaft Diameter: 10mm 0. 39" Size(Approx.): 100 x 70 x 14mm 3. 94" x 2. 76" x 0. 55"(L*W*H) Mounting Hole Size: 11 x 6mm 0. 43" x 0. 24" (L*W). Mounting Hole Distance: 42mm 1. 65" Package Content: 2 Pcs x Concealed Bracket INSTALLATION GUIDE Tools: 1. Every bracket will need screws x2, anchors x2, washer x2. (All are not included) 2. You need to have Level, Drill, Electric Screwdriver, Hammer. (You may need drill press if