door bolt BL-F511 1.material:stainless steel 2.finish:light,sand-polished 3.size:4 ,6 ,8 inches hot selling door bolt BL-F5111.material:stainless steel2.finish:light,sand-polished3.size:4,6,8 inchesour show room: our fair exhibition our active: hot selling Blind Bolt (F511)