Vintage Proto Professional deep socket, part number 5546-HL. Made in the USA. This is a 1-7/16-inch, six-point deep socket with a 3/4-inch square drive. Heavy-duty forged alloy steel construction with nickel-chrome finish.
This product would be ideal for professionals requiring a high-quality 6-point deep socket wrench that can reach up to 3/4" of drive.
