ITEM NAME:New Hinge Pin Hardened Lock Screw Folding Hook Suitable for Millet Electric H1B7 New Hinge Pin Hardened Lock Screw Folding Hook Suitable for Millet Electric H1B7 Name: Scooter lock screw Type: folding buckle Weight: 18 grams a carbon content of 0.42-0.50%, a tensile strength of 610 Mpa and a yield point of 360 Mpa; colour:Black Material:metal size:5.5*2*2 cm Package Contents: 1*Screw