19mmx19mm L Shape Shelf Corner Brace Metal Right Angle Brackets 50pcs Weight: 419g; Product Name: Angle Bracket Main Material: Matal; Package Content: 50(+/-2%) x Angle Brackets Main Color: Silver Tone; Hole Quantity: 4 Thickness: 1mm/0.04"; Hole Dia.: 5mm/0.2" Dimension: 19 x 19 x 33mm/0.75" x 0.75" x 1.3" (L*W*T); Hole Center Distance: 21mm/0.8"