About this item

• Engineered for use with impact drivers
• Converts 3/8 inch drive impact drivers to 1/2 inch drive
• Multiplies the range and capability of your socket system
• Spring-loaded detent ball securely latches onto sockets, preventing them from being dropped
• Four detent grooves provide a secure connection with the retaining ball of a drive tool
• Made of high-performing 8660 Ni-Cr-Mo steel with a protective manganese phosphate finish