MEDI TRACE™ ECG Recording Paper, 1 Case of 18 Opthalmoscope Sets * Frame is made of 48750 * Frame is made of anodized non corrosive one inch aluminum tubing Foam Handles provide a large diameter surface for those with limited grasp due to arthritis * Flexible plastic sock aid is lined with nylon fabric on the inside that allows the foot to slide into the sock * Terry cloth outer cover provides a non slip resistance to the sock which helps prevent the sock from slipping off the sock aid before it s snug * One handed use is possible with this sock aid * Diagnostic Recording Paper Medi Trace® Thermal Paper 4 19 Inch X 73 Foot Roll Red Grid