Signaspray Electrode &Skin Prep 250 ml Disp Bottle Bx 12 Traction Tables Assista Rail * A quarter VB604 GN Assista Rail * A quarter length bed assist rail that allows for a fixed cane to be added as needs change provides a useful combination of bed safety with bed mobility * Fits twin to king size beds * Simple installation * Slide the Assista RailTM between the box spring and mattress secure to bed frame with mandatory safety strap 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 * 250ml Clear Bottle Bx 12A * Highly conductive economical spray electrolyte and non gritty skin prep *