OIIKI 20 Pack 1/2 inch Square Socket Adapter Bit Set, Hex Impact Driver Power Bits, Extension Socket Adapter for Automotive DIY-1/4 Hex Shank

OIIKI 20 Pack 1/2 inch Square Socket Adapter Bit Set, Hex Impact Driver Power Bits, Extension Socket Adapter for Automotive DIY-1/4 Hex Shank

• 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: 20 Pack
• 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.