Specification:
- Material: High-speed steel
- Inner Diameter: 1/16; 9/32; 3/32; 5/6; 1/8; 11/32; 5/32; 3/8; 3/16; 13/32; 7/32; 7/16; 1/4; 1/2.
- Outside diameter: 0.5″ (11.5 mm)
- Total Length: 0.7″ (18 mm)
- Compatible: Genmitsu compact router and other CNC router with ER20 on the market.