Features:Made of cold rolled steel and adopted baking varnish process, this shelf support can resist corrosion, wear, rust, and tarnishing.A sturdy and durable fastener for furniture parts. Designed as structural supports to strengthen the right angle corner joints against compressive failure.Application: Widely used in home, office, and factory fields. Triangle brackets for table, desk edge, box, cabinet, wood beam, hanging shelf, etc.Noted:Smooth cutting edges without burrs, not hurting your hands. Mounting screws are included, with size 15.5mm x 3.5mm / 0.61" x 0.14" ( L*D).Specification:Color: BlackMaterial: Cold Rolled SteelSurface Finish: Baking VarnishDimension: 38mm x 38mm x 19mm / 1.5" x 1.5" x 0.75" (W*H*T)Length: 54mm/2.13"Thickness: 1.3mm/0.05"Package Content: 10pcs x Angle Bracket20pcs x Mounting Screws.