FUNCTION: This impact adapter set are specially designed and used for manual drive applications or with power tools when used with plug-in shanks.
MATERIAL: This socket adapter is made of hardened and treated HSS, which has great strength and endurance for long time use.
SIZE: Square Tip Size : 1/2"; Hex Shank Size (Approx.) : 1/4". Package Include: 2 pack 1/2 inch square socket adapter bit set
SPECIAL DESIGN: This socket adapter has a very special design part of spring-loaded ball bearing on each square head, in order to effectively fix the socket and avoid sliding.
DOUBLE SIZE CONVERSION: The original hexagonal polygon size is converted to a square head size, which can be used to mount the sleeve as a good accessory for conversion.
