Master Mechanic, 24 Piece, 120V Rotary Tool/Engraver Kit, Features 1.2A, 10,000-35,000 RPM With Variable Speed Dial, Separate On/Off Switch, Externally Replaceable Carbon Brushes, Spindle Lock, Metal Hanging Loop, 6' Power Cord, Dremel Compatible Housing & Collet Threads, 0.2A Electric Engraver, Dial Stroke Adjustment, 5 Minutes On/Off Operating Cycle, 9 Position, For Decorative Engraving Or Adding Security By Personalizing Your Valuables, Engraves On Metal, Plastic, Glass, Ceramics, Wood & Even Leather, Kit Includes 1/2" Felt Polishing Wheel, 1" Felt Polishing Wheel, 1/8" Mandrel, 1/8" Shank Drum Sander, 1/8" Screw Mandrel, 1/8" Collet, 3/32" Collet, Wrench, Three 19/32" Sanding Band, Five 3/4" Sanding Disc, Four 15/16" Cut Off Wheel, 5 Assorted Grinding Stones.