Model:Screws M4*21 Screw tooth diameter 4mm Screw tooth length 21mm Nut diameter 8mm Nut height 2mm Package Included:10PCS

Model:Screws M4*21

Screw tooth diameter 4mm
Screw tooth length 21mm
Nut diameter 8mm
Nut height 2mm

Package Included:10PCS