The first number is the width number
000 RPM with optional 4:1 reduction gear) Control Box NE-249 Voltage 120V Handpiece Style Lever Style (IH-300) Included Collets 3/32" and 1/8" Micromotor Inputs 2 (supports dual-motor setup) Availability United States and Canada only What's Included
Oval link cable chain construction
Chuck accommodates a range of shank sizes from 3/32" to 1/8"
18 gauge is thinner than 16 gauge
Foredom H.25 Handpiece Heavy Duty Collet Style Prop 65 - Wood Dust The first number is theThe Foredom H. 25 is a heavy duty, collet style handpiece engineered for continuous professional use. Built with triple ball bearings, this handpiece delivers smooth, reliable performance during demanding metalworking, grinding, and rotary tool applications. At 5 1 4" long and 1 1 32" in diameter, the H. 25 offers a solid, confident grip while remaining manageable for precision work. It weighs just over 7 ounces, balancing durability with usability at