Dremel Lite 12 Piece Variable Speed Cordless 4 Volt 2 Amp Multipurpose Rotary Tool 60V Battery Common praise includes thickness being 20V MAX Common praise includes thickness being sufficient without creating a tripping edge and effective performance on patios and high traffic paths Specification Details Tile Size 12 in x 12 in Tile Thickness 1 Application Multipurpose Minimum Speed (RPM) 8000 Battery Voltage 4 volt Chuck Capacity 1 8 in Case Type N A (no case) Warranty 2 year limited CA Residents: Prop 65 Warning(s) No Chuck Type Keyed Number of Batteries Included 1 Battery Included Yes Cordless Yes Series Name Lite Sub Brand Dremel Total Number of Pieces 12 Maximum Speed (RPM) 25000 UNSPSC 27112700 Speed Type Variable speed Charger Included Yes Maximum Amperage 2 000 for optimal control and maneuverability Easy battery charging the rechargeable 4 V Li Ion battery and convenient USB charger ensures that it’s ready whenever you are Battery life indicator LED light illuminates to notify you when the battery needs to be charged Portable and lightweight – 360 degree soft grip material allows for comfort and precise control Compatible – can be used with most Dremel accessories and a selection of attachments