Compatible with the TSTAK system, allowing all accessory sets to be stored in one place. Easy bit removal and insertion for user convenience. Bits are secured in place to prevent falling out when not in use. Ready for use with Extreme Impact tools. Optimized bit geometry ensures precise fit with the fastener and reduces slippage. Fully fitting head eliminates looseness and screw head wear. Optimized torsion zone maximizes bit life and torque even in the toughest situations. Specially designed flex zone in the bit allows it to bend under torque, absorbing impact and protecting the bit. Includes a torsion zone holder for use with 25 mm bits. Longer 25 mm bit life when used with the torsion zone holder.Contents: PH2 25 mm, 2 pcs PZ1 25 mm, 2 pcs PZ2 25 mm, 7 pcs PZ3 25 mm, 2 pcs SL6 25 mm, 1 pc T15 25 mm, 2 pcs T20 25 mm, 2 pcs T25 25 mm, 3 pcs T30 25 mm, 2 pcs PH2 57 mm, 1 pc PZ2 57 mm, 1 pc PZ3 57 mm, 1 pc T20 57 mm, 1 pc T30 57 mm, 1 pc PH2 89 mm, 1 pc PZ2 89 mm, 1 pc T25 89 mm, 1 pc 8 mm bit, 1 pc Magnetic impact holder, 1 pc