Cord / cordless operation All-metal housing with knurled barbell grip Lithium-ion battery (3-hour runtime) Dual voltage Hanging hook 4 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)