... 3" & 6", 3/8" sparkplug socket 16 & 21mm, 3/8" universal joint, 3/8" sliding T-bar, 3/8" WT03ratchet handleb) Model ... 3", 5", 10", 12" spark plug socket16 & 21mm, 1/2" universal joint, 1/2" sliding T-bar 10", 1/2" WT03 ratchethandlec ... 3", 5", 10", 12" spark plug socket16 & 21mm, 1/2" universal joint, 1/2" flexible bar, 1/2" WT03 ratchethandle