1/4? Drive SAE Chrome Socket Set High visibility markings are etched before the chrome process, making the sockets to abrasion and corrosion.. Red and Blue high visibility markings allow for easy and fast identification of each socket.. Radiused corner design on the sockets allows for almost total torque to the flat of the fastener instead of the corners.. Sockets feature chamfered ends that quickly guide the fastener into the socket.. Includes anodized heavy-duty alloy rail with quick connect sliding brackets 19000C