1" Diameter 1/4" Wide HSS Keyseat Cutter Staggered Tooth, American Standard # 808, Made in the USA, Super Tool 41449 2-1/4" Overall Length 1/2" Shank diameter, 2" Long Shank 1" Diameter +.015"/+.020" 10 Teeth 1" Diameter 1/4" Wide HSS Keyseat Cutter Staggered Tooth, American Standard # 808, Made in the USA, Super Tool 41449