These angles are zinc finished to give steel a clean look while also providing an anti-rust finish. Available in several sizes. Brand Name: Boltmaster Thickness: 1/8 in. Width: 3/4 in. Length: 48 in. Material: Steel Product Type: Angle Gauge: 11 Ga. Number in Package: 1 pk Slotted: No Usage: Motor mounts, drawer slides, bicycle racks and bed frames Side 1 Height: 0.125 in. Side 2 Height: 0.125 in. Perforated: No Finish: Zinc Plated .