Caution: Minor differences in product design may result in different model numbers. Please check the picture carefully to see if it matches your product. If you are not sure if this model is right for you, please feel free to contact us. Features: Shank Diameter：1/2" Minimum Boring Range: 5/16" - 9/16" (see below) Overall Length:2-1/4" to 4-1/2" (see below) Boring Depth Range: 3/4" to 3" (see below) Contains (3) pcs. 5/16" minimum bore (1 ea. 3/4" bore depth × 2-1/4" overall, 1 ea. 1-1/8" × 2-5/8", & 1 ea. 1-1/2" × 3") .
eBay