Planet Forstner Bit Extension Bar 7″/200mm long
Give some extra depth capacity for your forstner bits by adding this Planet Forstner Extension Bar 7″/200mm long, mounted and held secure in the 3/8″ collar with the securing grub screws.
With the male to female shank and collar assembly also allows for the use of multiple extensions bars all together.
A great addition to your tool kit, unusually enough it helps you into a hole and back out of it!
Also avaialble Planet Forstner Extension Bar 11″/280mm long