Included in the 25 pieces of the 1/2" socket set are 1 1/2" Dr. Ratchet wrench and 45 T18 pieces of the 1/2" Dr. Socket. One 1/2" Dr. Universal Joint piece Two 1/2" Dr Extension Bars, measuring 125 and 250 mm Two pieces Plug socket for spark plugs ‚16 & 21 mm One piece of sliding T-bar, 1/2"*250mm CR-V (50BV30) material, heat-treated BMC-packed