Material: Aluminum Alloy Size:2/3/4/5/6/8inch Total Length:63/88/113/138/164/214mm Color: Black, Silver It is convenient to repair the screws and isn't clean to shift. Protect your house and property. Suitable for all areas in your home where you must lock. Package: 1pc *Door Bolt Note: Please enable 1-3cm errors due to guide measurement Due to the variation between assorted monitors, the image won't replicate the actual coloration of the item. Thank you!