DIY Model Making Plastic Steering Gear - White (3pcs)
0.5 module steering gears 3 specifications: - 21-tooth: Arc to hole center distance: about 2.7cm; Hole diameter: about 5.5mm; Tooth angle: vertical; Elliptical hole: width: 3mm length: 1.4cm; - 15-tooth: Arc to hole center distance: about 1.7cm; Hole diameter: about 5mm; Tooth angle: vertical; Elliptical hole: width: 3mm length: 7.5mm; - 12-tooth: Arc to hole center distance: about 2.2cm; Hole diameter: about 4mm; Tooth angle: parallel; Elliptical hole: width: 3.5mm length: 8mm.