TECHSPRAY Ultra Pure Duster, Cleaner, Aerosol, 10 OZ (296ml), Non-Flammable, 1671 Series dmm aluminum ring What is the difference between

What is the difference between the Locksafe and ANSI versions

Wheel Chock

Telescopic legs with both pull pin and kick release levers can be released by hand or foot for fast set-up

you can customize this knee ascender to your exact height

TECHSPRAY Ultra Pure Duster, Cleaner, Aerosol, 10 OZ (296ml), Non-Flammable, 1671 Series dmm aluminum ring What is the difference betweenTECHSPRAY Ultra Pure Duster is designed for superior cleaning performance. It quickly and reliably eliminates dust, microscopic contaminants, lint, oxide deposits and other soils that could cause heat buildup or shorts. It must be held upright during use, and short bursts must be used to prevent cooling. Not to be used on photographic negatives without first clearing valve. Brand: Techspray Color: Clear Size: 10 oz. Type: Nonflammable Container