Check your local "True Value" Hardware. They have the Master Mechanic Brand. Be sure and get the High Torque model (around $34.) There is also a chuck adaptor that is very handy. Among other things, drilling tiny holes in the hammer spring rail in sorder in install replacement springs. Recharges in about 3 hours. I have had one for 4 years..its still going strong. Dick Day Marshall, MI
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