Reversible Gear Puller, 2/3 Jaw, Capacity 5 Tons, Number of Jaws 3, Internal,External, Jaw Reach 3 1/4 In, Jaw Spread 7 In, 9/16 In 20x6 15/16 In Screw Size, Steel, Puller Length 8 In, For Use With Spanner Or Adjustable Wrench, Drop Forged Steel With Heat Treatment To Ensure The Durability, Applies For Both Inside And Outside Pulling.