COBALT MECHANIC'S LEFT HAND DRILL BIT EXTRACTOR KIT, 10 PIECE DEK10B | eBaydiy Tools

Left handed extractor set for removing broken bolts, studs, screws and lugs
Includes five 100% cobalt mechanic’s length left-hand drill bits in 5/64\”, 7/64\”, 5/32\”, 1/4\” and 19/64\”
Five matching spiral fluted screw extractors labeled to pair with corresponding drill sizes
For fastener thread sizes 3/32\” – 5/8\” (M3-M16)
Use with reversible drill to drill into fastener, then extractor drives itself into drilled hole to remove broken fastener without damaging threads
Matco Exclusive