0.4 Module 12 teeth, outer diameter 5.6mm, thickness 2mm, hole 1.48mm, 1.5mm tight fit
0.4 Module 12 teeth, outer diameter 5.6mm, thickness 4mm, hole 1.48mm, 1.5mm tight fit
0.4 Module 12 teeth, outer diameter 5.6mm, thickness 4mm, hole 1.98mm, 2mm tight fit
0.4 Module 12 teeth, outer diameter 5.6mm, thickness 4mm, hole 2.28mm, 2.3mm tight fit
0.4 Module 12 teeth, outer diameter 5.6mm, thickness 3mm, hole 2.98mm, 3mm tight fit
0.4 Module 12 teeth, outer diameter 5.75mm, thickness 5mm, hole 1.98mm, 2mm tight fit