uxcell Home Office Security Finger Push Door Bolt Latch Lock Guard 3.5" Length Product Name : Door Bolt;Material : Metal Bolt Dimension : 9 x 3.5 x 2 cm / 3.5" x 1.4" x 0.8" (L*W*H);Total Length : 10.5 cm / 4.1" Mounting Hole Dia : 4mm / 0.16";Color : Silver Tone Net Weight : 77g Package Content : 1 x Door Bolt,Installing Screws