Milwaukee 12 in. x 7/16 in. QUIK-LOK Universal Extension Bit

The Milwaukee QUIK-LOK 12 in. x 7/16 in. Universal Extension Bit is compatible with most 7/16 in. shanks, with or without a power-groove. It requires no tools to change out bits, making it fast and efficient. Accepts most 7/16 in. shanks, with or without a power-groove.