This set
Includes:: an adaptor & 16 x 25mm heads for use with ratchet screwdrivers, electric screwdrivers & drill/drivers etc. The set
Includes:: 5 x Flat Head Bits (3mm, 4mm, 5mm, 6mm, 7mm) 3 x Phillips Head Bits (1, 2, 3) 3 x Pozi Drive Head Bits (1, 2, 3) Star Head Bits (T10, T15, T20, T25, T30)