Colour:bsn, ab,ac black white
Usage:various wooden doors, room doors, iron doors
Size:3"*3"*2.0mm/3.5"*3.5"*2.0mm(2.5mm)/4*3*2.5mm(3.0mm)/4"*4"*2.0(2.5mm,3.0mm)4"*3.5"*3.0mm/4.5"*4"*3.0mm/4.5*4.5*3.4mm
Packing:one pair in a box, 50 pairs in a carton, with screws.