NO 13/16”. Please see pictures for scratches. The product is a set of 6 Snap-on sockets ranging in size from 1/2” to 7/8”, all with a 6 point drive type. It includes sizes fs161, fs181, fs201, fs221, 241, and fs281. These standard sockets feature a chrome surface finish and are designed for use with SAE measurements. This set does not come with a warranty, but is a reliable and durable option for automotive maintenance and repair.