The 3-speed selector allows users to choose their speed setting based on application

Blade Size: 4-3/8"

0 amp high performance motor

Meets federal specifications GGG-W-00649

No-load SPM: 800 to 3

Lenox 30800-600L 10 Pc Electrician's Hole Saw Kit 497165 The 3-speed selector allows usersFeatures: Patented Vari Tooth design resists tooth strippage. Long lasting Tuff Tooth design is reinforced to cut stronger and last longer. Shatter resistant bi metal hole saws resist breaking and offer extended life. Thick backing plate resists damage due to high torque from arbors. Includes: 6 Hole Saws: 7 8", 1 1 8", 1 3 8", 1 3 4", 2", 2 1 2" Arbors: 2L, 5L Pilot Drill: 4321 Arbor Adaptor Carrying Case