Milwaukee 5 1/2 Inch x 7/16 Inch Universal QUIK-LOK Extension, (48-28-1030)
Product Information The 7/16 inch Universal QUIK-LOK™ Extension has an innovative design that fits all 7/16 inch shanks - with or without a power-groove. The unique design requires no tools to change out bits, making it fast and efficient. These new extensions are impact rated for maximum durability.