Metal body. For rotary and percussion drills and drill drivers. Set to hammer stop when using with hammer drills. Includes T-type chuck key and SDS Plus adaptor. Capacity 1.5mm to 13mm. Metal body. For rotary and percussion drills and drill drivers. Set to hammer stop when using with hammer drills. Includes T-type chuck key and SDS Plus adaptor. Capacity 1.5mm to 13mm.