Smiths Interconnect - Robust and Reliable M12 Connector
Milwaukee M12 FUEL 12V Lithium-Ion Brushless Cordless High Speed 3/8 in. Ratchet w/M12 FUEL 3 in. Cutoff Saw & 1/4 in. Die Grinder 2567-20-2522-20-2485-20 - The Home Depot
Used) Late 70s McSpadden Dulcimer M12-W Solid Walnut