uxcell Window Door 4 Inch Automatic Barrel Bolt Latch Lock Silver Tone 3pcs Package Content: 3 x Automatic Barrel Bolt; Product Name: Automatic Barrel Bolt Material: Stainless Steel; Weight: 148g Mounting Hole Diameter: 3mm/0.12"; Dimension: 83 x 30 x 20mm/3.3" x 1.2" x 0.8"(L*W*H) Main Color: Silver Tone; Total Length: 98mm/4" Mounting Hole Distance: 48 x 23mm/1.9" x 0.9"(L*W),23mm/0.9"; Plate Size: 30 x 14 x 14mm/1.2" x 0.55" x 0.55"(L*W*H)