Diablo Hole Saw Extension, 18 x 3/8-In. Insect Control designed for use on wood

designed for use on wood frame sliding doors from 1-1/2" to 2" thick

An aggressive lower thread pattern provides superior holding power while the reverse upper thread pulls the board tight to the joist and provides a clean

Bi-Metal Blade for Clean Wood

durability and chemical resistance

Diablo Hole Saw Extension, 18 x 3/8-In. Insect Control designed for use on woodDiablo, 18" x 3 8", universal extension, extend reach in hard to access areas, no tools required in order to attach accessories, quick change feature allows users to switch between accessories with no down time, ideal for use with diablo's snap lock plus hole saw mandrel.