49/64" X 1/4" Pilot Hole HSS Straight Shank Counterbore Quantity:1 the yellow handle core is

the yellow handle core is made of hard polypropylene

and grooves provide grip for attaching and removing sockets and accessories

a 90-tooth non-quick-release flex head ratchet

Part Number DWT60824

The Tekton 3/4 Inch Drive 6-Point Socket & Ratchet Set includes every shallow and deep socket from 3/4 to 2 inch with no skipped sizes

49/64" X 1/4" Pilot Hole HSS Straight Shank Counterbore Quantity:1 the yellow handle core isProduct Description Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1 8" or less), the operations is usually known as spot facing; for example, a flat seat for a bolt head or nut. If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring. These counterbores are made of two piece construction, having an integral shank and