An ORIGINAL GEAR WHEEL SET SCREW for a Goodell-Pratt No. 4 1/2 hand drill by the Goodell Pratt Company, Greenfield, Massachusetts. The Goodell-Pratt hand drills were secured to the body of the drill by a post integral to the gear wheel. The post has a recessed notch at the top. When the post is inserted in the drill body, this screw is inserted to hold the gear wheel in place. Length = 0.25 Inches (Ref. Id No.: 391050) [Free Shipping]