Assorted screwdriver bit set for a wide range of applications, including a selection of mini bits with 5/32 inch (4mm) shanks.|Colour rings on bit shank to denote type for ease of identification.|High grade hardened tool steel.|Set contains twelve 25mm insert bits and twenty 28mm 5/32-inch shank mini screwdriver bits. |Includes a bit holder that accepts both 1/4 inch and 5/32 inch mini hex bits.|Hand ratchet screwdriver for use with 1/4 inch hex inserts bits when screwing into awkward places.|Handy micro size 1/4 inch square drive ratchet for use with the five Chrome-Vanadium Steel spline sockets.|Supplied in storage case.|Max. 10mm A/F socket to be used with the bit holder and ratchet screwdriver.