XcelTrax Air Wlkr Med Low Boot M 7.5 10.5 W 8.5 11.5 Cane Accessories * The RUSSIAN setting provides MSHQ 1885 * The RUSSIAN setting provides 2500Hz for a deeper and more comfortable stimulation helping to reduce muscle spasms as well as muscle strengthening The Knee Sling is a safe and easy way to improve mobility for those individuals that need to maintain non weight bearing of the lower leg or foot due to injury or surgery *The Knee Sling turns a standard walker into a knee walker *The Knee Sling comes fully assembled and requires no tools to install on your walker *The Knee Walker can be easily adjusted to accommodate any height *Can be installed on either side of the walker made from water resistant material for easy cleaning *Weight capacity 300 lbs *Attaches easily to any walker *Increases mobility makes standing easier *Soft foam knee pad *Tool free installation *Weight capacity 300 lbs *Made in the USA Designed for ideal support and comfort following trauma or post operative procedure * The lightweight design and unique pre shaped ergonomic frame help to modify the level of pressure on the injury at both the malleoli and lower leg * The soft nylon foam liner has an integrated pump design making the pneumatic liner simple to inflate and adjust *