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 in Stem 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)