"Gearforce technology delivers strength and a small 5 ratcheting arc. Includes Geardriver handle and 7 shafts magnetic bit 3 1/2in., 6in., 10in., 1/4in. square drive 3 1/2in., 6in., 10in. and 6in. flexible shaft. Ratchet Handle Yes, Pieces qty. 39. Removable end cap stores up to 12 bits Interchangeable shaft system is compatible with most fasteners"