Take A Range Check 6£ Finger Goniometer 6 Standard Knee Walkers Parts Acces Wheelchair tray flips out of Patient Lifters Slings Parts Wheelchair tray flips out of the way for easy exiting * Stable platform * Hard soil and scratch resistant plastic * Side and armrest padded when in the down or flipped position * Two cup holders for drinks eye glasses or pen pencils * Universally sized for mounting to most wheelchairs * Tray dimensions:23 x 19 polyester fabric *They are double stitched at critical points for long wear and treated with an effective anti microbial agent *Non Latex: Available for those who are hypersensitive to natural rubber latex 6 Standard 140 degree * Measures the range of motion of metacarpal phalangeal and interphalangeal joints * Head has two opposing scales marked in 6 degree increments * Features a linear scale in both inches and centimeters on arm *