... closing -bolts,door bolts,door accessory,door accessory) 1.Sizes:35mm*8mm, 40mm*9mm ,45mm*10mm 2. Drive-und Feature:(self closing -bolts,door bolts,door accessory,door accessory)1 ... 4.Outer packing: a box of a dozen self closing bolts,door bolts,door accessory,door accessory