10pcs 3/4/5 Inch Concealed Floating Hidden Shelf Support Metal Steel Wall Bracket

Specification: Length: 3" 4" 5" Cylinder diameter: About 10mm/ 0.39" Rectangle dimension: About 70x14x4mm/ 2.76x0.55x0.16" Color: Silver Material: Steel Features: 1. Easy and convenient to use. 2. Great for 18-30mm shelf thickness. 3. Height adjustable via slots against wall. 4. Suit for the concealed mounting of shelves(no visible support). 5. This shelf metal bracket is directly installed into wood work or masonry. 6. Angle adjustment via supporting pin which presses on the rear plate when turned in. Package Included: 10 x Shelf Support Brackets