For sale is a group of (5) Carbide Tipped, Adjustable Diameter Hole Boring Tools. 3/8" Width for mounting in your tool holder. Each tool features screw adjustment for boring holes from approximately 1.5" to 1.8" diameter. Twin carbide cutting edges. Condition appears good. Less than 1 pound net weight. Inexpensive shipping via USPS small flat-rate box.