Draper Shaft Holesaw Arbor Extension, 320mm, 7/16" Hex.

Amazon

Extended Reach - This arbor extension bar can extend the arbor length by up to 300mm Durable - Made of a high-quality steel body for maximum durability Multi Purpose - This extension bar is suitable for mechanics, construction workers, carpenters, homeowners, or anyone who wants to work in a convenient and easy way, saving time and effort Draper Quality - Reliable Draper Tools quality guaranteed, Manufacturer: Draper

ManoMano

For use with Stock No52983, 56387 and 56402 7/16" hexagonal shank Holesaw Arbors to extend the arbor Display carton This is a Draper product.

Electrical World

For use with Stock No.52983, 56387 and 56402 7/16" hexagonal shank Holesaw Arbors to extend the arbor. Display carton.