Rechargeable Ball Grip Screwdriver Limited Kit Gold Limited Edition. Seamless Work by 2 ways usage of Power and Manual Driven Screwdriver. Interchangeable with 1/4inch Hex Power Bits or Double Ended Bits. Power Driven up to 17.7 lbf-in (2N.m) torque and withstanding up to 88.5 lb.-in (10N.m) torque by Manual Driven. 3.6V(800mAh) Rechargeable Battery Integrated (Charging from the micro-USB port). No Load RPM: 280min-1 / Built-in Bright LED Light for work efficiency in a dark place. 10PC of 1-3/16 IMPACT BALL Torsion Bits & 1PC of 2 Bit Holder in POP-UP case. Including +1, +2, +3, SL6, SQ2, T10, T15, T20, T25, T30 & 1/4 Hex Bit Holder with C-Ring retainer. Highest Hardness 62HRC by in-house optimum heat treatment 220USB11GLU1