Number #1 Removes Screws 3/32" to 5/32" (Use 5/64" Drill Bit)
Number #2 Removes Screws 5/32" to 7/32" (Use 7/64" Drill Bit)
Number #3 Removes Screws 7/32" to 9/32" (Use 5/32" Drill Bit)
Number #4 Removes Screws 9/32" to 3/8" & 1/8" Pipe (Use 1/4" Drill Bit)
Number #5 Removes Screws 3/8" to 5/8" & 1/4" Pipe (Use 19/64" Drill Bit)
Number #6 Removes Screws 5/8" to 7/8" & 3/8" Pipe (Use 13/32" Drill Bit)
Number #7 Removes Screws 7/8" to 1" & 1/2" Pipe (Use 1/2" Drill Bit)
Number #8 Removes Screws 1" to 1-/2" & 3/4" Pipe (Use 5/8" Drill Bit)
Drill Hog is proud to release the newest technology in screw extractors. These extractors are made from Cobalt which has a melting point of 2723° Fahrenheit! These screw extractors are perfect for removing stubborn bolts, screws, and studs. Drill Hog includes a Lifetime Warranty to the original purchaser.