This is a 10-piece Craftsman T-handle hex key set with a cushion grip. It includes 3/8", 5/16", 1/4", 7/32", 3/16", 5/32", 9/64", 1/8", 7/64", and 3/32" hex keys. The set is made of steel and comes in red. The model numbers are 46549, 46548, 46546, 46545, 46544, 46547, 4653, 46542, 46541 and 46540.