MATERIAL: BRASS COLOR: GOLDEN | MAINLY USE ON MAKING BELT,WALLET,HANDBAGS,STRAPS,COLLAR,WALLETS,CASES,BAGS AND SO ON | SIZE:CAP DIAMETER IS 0.39 INCH,FEMALE SCREW LENGTH IS 0.237 INCH WE SUGGEST USE THESE SCREWS FOR 0.230"-0.250" THICKNESS MATERIAL | PLS USE THE HOLE PUNCH WE SUPPLY TO MAKE A HOLE ON LEATHER,FIBER,POUCH MATERIAL BEFORE INSTALL THE SCREWS | EACH PAIR HAVE ONE FEMALE SCREW AND ONE MALE SCREW,PACKAGE INCLUDE: 12 PAIRS 0.39 INCH X 0.237 INCH BACKSCREWS FASTENERS+ 1 PCS INSTALL HOLE PUNCH

MATERIAL: BRASS COLOR: GOLDEN | EACH PAIR HAVE ONE FEMALE SCREW AND ONE MALE SCREW | SIZE:CAP DIAMETER IS 0.39 INCH,FEMALE SCREW LENGTH IS 0.158 INCH WE SUGGEST USE THESE SCREWS FOR 0.155"-0.170" THICKNESS LEATHER | PLS MAKE A HOLE BEFORE INSTALL THE SCREWS.YOU COULD USE 3MM,3.5MM,OR 4MM HOLE PUNCH TO PUNCH A HOLE,OR YOU COULD ALSO USE NAILS,SCREWDRIVER TO MAKE A HOLE | PACKAGE INCLUDE: 50 PAIRS 0.39INCH X 0.158INCH BACKSCREWS FASTENERS