9/64" x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Each crowfoot wrench has a

Each crowfoot wrench has a permanent high-contrast size marking engraved on the side

Height: 14-7/8"

is for turning round dies for making new threads or re-threading existing threads

and the reducer adapts 3/8 inch drive tools to 1/4 inch drive sockets

Tap Drill Size 1-1/64"

9/64" x 12" Cobalt Aircraft Extension Drill Bit Quantity:1 Each crowfoot wrench has aProduct Description Cobalt drill bits are are effective in drilling tough, high tensile strength materials such as cast iron, inconel, stainless steel and titanium. They display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. They have a 135 split point tip for fast penetration and accurate drilling. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. Ideal for drilling