5 Piece Cobalt Left Hand Mechanics Length High Speed Steel Drill Bit Set Compounds A heavy duty circuit tester

A heavy duty circuit tester for lifetime use

3/8 Basic Size

1/2" Drive x 14mm Hex Driver

Silver and Deming High Speed Steel Fractional 1/4" Reduced Shank Drill Bit - 37/64"

For Taps No

5 Piece Cobalt Left Hand Mechanics Length High Speed Steel Drill Bit Set Compounds A heavy duty circuit tester5 Piece Cobalt Left Hand Mechanics Length Cobalt High Speed Steel Drill Bit Set Features and Benefits: Constructed of M 42 8 percent cobalt high speed steel for super abrasive resistance in tough metals Heavy duty spiral flute design produces faster chip ejection Shorter cutting tip reduces torque for drilling in high tensile strength materials 135 degree split point reduces feed pressure for easier penetration without work hardening Ideal for use