Grey Pneumatic is a world supplier of Impact Sockets for Automotive, Industrial, Assembly, Maintenance, Heavy Duty and Mining/Construction Industries. We carry a complete line of Impact Sockets from 1/4" Drive thru 2-1/2" and #5 Spline drive with hex sizes up to 8". We also have a large selection of Impact Star drivers, Impact Hex drivers, Triple Square drivers, stripped nut/wheel lock removers and torque limiting extensions. Grey Pneumatic Impact Sockets are manufactured using top quality Chrome-Molybdenum alloy steel. Thorough and exact heat treatment insures the correct balance of strength and durability. They carry our Lifetime Warranty against breakage or defects in materials and workmanship.