Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. DA300 Features: * Chrome plated frame is constructed with a quick turn clamping knob to quickly release the unit from the chair cross bar allowing storage of the unit without having to remove the cross bar * Independent interlocking pedal arm design allows individual positive non-slip length of arc adjustment from 2 1/2" to 5 1/2" and right pedal can also be rotated 180 degress on the axle so both pedal platforms can be on the same plane * Calibrated braking device also works on a large diameter wheel so precise and repeated intensity patterns of motion can be specified * Heel plate is leather protected and fully adjustable or removable * Yoke and brake assembly are steel and aluminum and the arms and pedal platforms are of tough aluminum alloy *