MT301 Includes 3 lightweight poly-carbonate sockets. Just match the Multi-Tork socket to your equipment’s clamping system, attach to a portable drill or driver, and see the clamps removed instantly. This value pack offers three tools in one convenient pack. MTJ-770 for use on:Systems equipped with 2-1/4" or 3" knobs.Sta-Rite System 3 models 75 and 110MT-100 for use on:7/8" hex nuts 9/16" hex nutsPurex Triton NautilusPentair American Products Hayward Pro Grid and Micro-Clear series.MT-101 for use on:Sta-Rite pumps, Posi-Flow filters, Mytilus, Pentair, R.G. Ray, Pac-Fab, Qwik-Clean, Paramount, Cal-Pump, Wet Institute, Caretaker, and Pool Valet.
The part was exactly what we needed, was delivered quickly, and saved us about $1000 if we hired the spa company to install. Thank you for your service.