Excellent for close work and conserves bench and kit space. Average blade length is 1-1/4". Each kit includes a torque amplifier handle, 5 1/2" overall length, and a clear plastic case. 10 nutdrivers, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm all in a hinged clear plastic case.