Covers almost every car, pick-up, SUV, and small engine. Capable of handling almost every two- or three-way bolt pull possible. For use on a variety of jobs: harmonic balancers, steering wheels, crankshaft pulleys, and gears. OTC Lifetime Marathon Warranty covers defects in workmanship or materials. Storage tray and detailed application chart included. Slotted holes in puller flange permit cap screws to be positioned to handle bolt circles from 1-1/2" to 4-1/4". Contents of setThree each of the following washer head bolts (Grade 8): M8 x 1.25 x 90 mm M8 x 1.25 x 45 mm 1/4-28 UNF x 3" M8 x 1.25 x 65 mm 5/16-18 UNC x 3.5" 5/16-24 UNF x 3" 3/8-24 UNF x 1.5" 3/8-16 UNC x 2" 3/8-16 UNC x 3" 3/8-16 UNC x 4.5" M10 x 1.5 x 35 mmSpecial stepped bolts- 1990-2002 GM 3300-3800 V6 crankshaft pulleysTwo forcing screws: 6" long and 3" longTwo pointed forcing screw center tipsTwo flat forcing screw center tips.