This kit includes the 5/64", 3/32", 7/64", and 1/8"
combination countersinks to drill the pilot hole for the
screw, countersink for the screw head or counterbore for a 3/8"
plug in one easy step. The 3/8" Thight Fit plug cutter
chamfers the end of the plug for easy entry and slightly tapers it
for a tight fit. There is a stop collar for the countersinks
to control the depth, two no. 2 driver bits, one phillips and one
square, made from S-2 steel. Included is the original
patented Snappy quick change chuck to snap tools in and out of your
drill in seconds.