Specification:
Aluminium alloy is light, the top screw is 90 degrees design; 45 steel hardness is high, and the top screw is 180 degrees design.
Material: 45 steel, hardened by heat treatment, and then electroplated
Inner Diameter: 3mm, 4mm, 5mm, 6mm,
Cylindrical Diameter: 10mm; Cylinder Height: 10mm; Overall Height: 12mm; Fixed Hole Screw: M3
Fixed Hole Distance:16mm
Package Included:
Coupler x 1
Spanner x 1
Screw x 2