CT™ Economy Knee Boots, Steel Toe, Size 8, 16 in H, PVC, Black ORS NASCO Works faster than grinding wheels Works faster than grinding wheels without the risk of undercutting the work piece Cam action design of male half connector pulls the two halves together Connector covers are molded form a special heat and cold resistant material Covers have no metal liner to rust or corrode Metal parts are precision machined with heavy specially shaped brass extrusion fertilizers and animal waste Flexible and durable upper allows for ease in movement for greater work comfort Removable FOOT FORM™ contour cushion insoles provide all day comfort and support Reinforced construction at critical stress points provides a durable and long wearing boot PVC injection molded footwear is 100% waterproof to ensure workers' feet are dry and comfortable PVC formulation is resistant to degradation from agricultural chemicals