Features: Made of high quality stainless steel, durable. Comes with 2 keys. Easy to install and remove. Designed in double curved door bolts, This lock set will be perfect for family house, flat gate, office door, etc. Can be internal or external control, the two sides all can be locked, inside locked use knob, outside locked use key. Fits for 10-12mm thickness frameless double swing or sliding toughened glass door. Please Check your glass door's thickness. Specification: style: Copper core style Fit for Glass Thickness: 10-12mm Material: Stainless steel colour: Silver Package Contents: 1 x Glass Door Lock (With Key) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.