Left Hand Mechanics Length Cobalt High Speed Steel Drill Bit - 1/4" Air Die Grinders especially on the larger R-134A

especially on the larger R-134A valve cores

1/2" NPT Female G-Style Coupler

Three flatted shank design provides better chuck grip and reduces slippage

Fits all standard transmission drain funnels and large size drain pans

Features and Benefits of 1" Drive x 2-3/16" Deep

Left Hand Mechanics Length Cobalt High Speed Steel Drill Bit - 1/4" Air Die Grinders especially on the larger R-134ALeft Hand Mechanics Length Cobalt High Speed Steel Drill Bit 1 4" 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 tips reduce torque for drilling in high tensile strength materials 135 degree split point reduces feed pressure for easier penetration without work hardening Ideal for use with screw