A PERFECT TOOL FOR OUTLINING, CREATING DESIGNS AND ALL OTHER FINE WORK. Cord / cordless operation All-metal housing with knurled barbell gripLithium ion battery (3-hour runtime)Dual voltageHanging hook4 COMB ATTACHMENTS:#.5 1/16” (1.5 mm)#1 1/8” (3 mm)#1.5 3/16” (4.8 mm)#2 1/4” (6 mm)