uxcell Office 3.3" Long Silver Tone Anti-theft Security Door Lock Core w Key Product Name : Security Door Lock Core;Material : Metal Total Length : 8.5cm/ 3.3";Mounting Hole Dia. : 4.2mm / 1.7" Hole to Side Length : 3.3cm/ 1.3";Matching Lock Dia. : 1.5cm / 0.6" Matching Lock Width : 3.3cm/ 1.3";Color : Silver Tone Net Weight : 76g;Package Content : 1 x Door Lock Core,3 x Keys