US Plug AC100-240V Micro Drill Grinder Polish Disc Saw Tool 80 in 1 Main Material: Aluminium Alloy, Plastic, Metal; Package Content: 1 x Mini Grinders Set, 1 x Box; Product Name: Mini Grinders Weight: 801g; Adapter Size: 75 x 75 x 30mm/3" x 3" x 1.2" (L*W*T); Cable Length: 110cm/ 43" Grinder Size: 17.5 x 2.5cm/ 6.9" x 1" (L*D); Power Plug Type: US Plug; Input: AC 100-240V 50/60Hz 0.4A Output: DC 12V 2A; Chuck Size: 0.5mm,1.0mm,1.5mm,2.3mm,3.2mm; Drill Bits Size: 0.5mm-3.2mm Alloy Cutting Wheel Dia.: 20mm,25mm; Alloy Saw Wheel Dia.: 22mm, 32mm; Resin Cutting Disc Dia.: 24mm(15pcs)