502 - Power Marine Terminal Two Layer Cleaner with Composite Hex Stem - Use with Power Drill

Power Marine Terminal Two Layer Cleaner with Composite Hex Stem - Use with power drill.   - 5/16 inch Composite Hex Stem- Use on Combo Post/Stud Marine Terminals- Top layer of staple cloth cleans threaded area- Bottom layer cloth cleans the lead base- Works on both positive and negative terminal posts- Maximum speed 400 to 800 RPM Specifications Stem Size: 0.31 in (7.87 mm) 5/16 inStem Length: 1.18 in (29.97 mm)Max Post Diameter: 0.71 in (18.0 mm)Max Post Length: 0.58 / 0.84 in (14.7 mm / 21.3 mm)Length: 2.86 in (67.1 mm)Width:  1.83 in (46.5 mm)Height: 1.83 in (46.5 mm)Weight (lbs): 0.14 (62 g)