Spectra 360 Electrode Gel 250 Gram(8 oz) Tube Bx 12 Pulse Monitor Set Fit Buckle System This unique Detergents Set Fit Buckle System This unique system eliminates the need of adjustments each time the brace is applied and removed The integral absolute vertical and horizontal levels are permanently incorporated into the digital goniometer arm * Goniometer reads 0 180 degrees on LCD screen * Has ability to freeze angle measurement * Powered by 1 9V battery * Goniometer exterior is powder coated steel with inch cm marks screened onto arms * Digital angle reached in center * Horizontal and vertical levels to indicate level or plumb starting point * 250 Gm (8 oz) Tube Bx 12 * The only salt free and chloride free electrically conductive gel recommended for all electromedical procedures * Salt free characteristics make it particularly suitable for long term applications * It works by wetting the skin thereby reducing skin resistance *