Yankee screwdriver bits fit the old pump action screw drivers "Yankee style" made by Stanley and other companies.

Yankee screwdriver bits have a half cutout at the base of the bit which fits into a slot in the chuck. A small notch further up keeps the bit from falling out of the chuck.

There are 3 different diameters of bit;-

• 5.5mm Yankee 135A/B
• 7.0mm Yankee 130A/B
• 8.0mm Yankee 131A/B

• SKU Yankee 1 Pt PH x 7.0 x 80mm (130B) Screwdriver Bit