Bosch 2 608 578 626, Rotary hammer, 0.787" (2 cm), 12.6" (320 mm), Concrete, 7.87" (20 cm), SDS Max Bosch 2 608 578 626. Proper use: Rotary hammer, Drill bit diameter: 0.787" (2 cm), Length: 12.6" (320 mm). Package type: Hanging box. Number of drill bits: 1 pc(s)