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.
Requires minimum chuck size of 1/2 in.
Accepts most 7/16 in. shanks， with or without a power-groove
Unique design requires no tools to change out bits， making it fast and efficient
Impact rated for durability
12 in. Length
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