Foredom HP4-917 Micromotor Control Box Only AND Scales Standard 3/32 in shank size

Standard 3/32 in shank size widely used in the jewelry industry

White formulation is more aggressive than the blue version

Brass center hole snaps onto 3/32" mandrels for secure attachment

these gravers deliver consistent

Foredom HP4-917 Micromotor Control Box Only AND Scales Standard 3/32 in shank sizeThe Foredom HP4 917 Brush Type Control Box is the dedicated power and speed control unit for Foredom's micromotor handpiece system. Sold as the control box only with power cord included this compact unit delivers dual voltage operation (110V 220V) and a full suite of controls for precise rotary tool management at the bench. Front panel controls include an On Off power switch, Forward Reverse rotation selector, and a Manual or Foot Speed Control