SET INCLUDES: 1 x 1/4in. 72 tooth ratchet, 10 x 1/4in. sockets, 2 x 1/4in. extensions, 1 x 1/4in. spinner, 22 x 1/4in. bits, 1 x 1/4in. bit adaptor and 1 x 1/4in. universal jointREVERSIBLE MECANISM: 72 Tooth ratchet with a one pawl mechanism with 5° increment/arc swing for improved accessEASY REMOVAL OF SOCKETS: Large, flush quick release button enables the easy removal of sockets