msa 268 38 keyed chuck angle drill attachment adapter 8mm hex shank air tool accessory master palm pneumatic3 8" keyed chuck right Angle drill attachment adapter converter with 8mm Hex Shank for air screwdriver This is a high quality right angle drill attachment with max. 3 8" chuck and 8mm hex shank, which makes it suits almost all standard drills. It can make drill power swerve 90and get to hard reached places. 8mm hex shank, suits most standard drills, such as hand power drills, electric drill, buffing attachments with 75ft lb torque. Simple to install