Multi-Purpose applications such as steering wheels, flywheels, harmonic balancers, pulleys and gears with tapped holes. Includes special stepped bolts for 1990 and newer GM 3300-3800 V6 crankshaft pulleys. Contents of set: 4-way slotted puller yoke and 2 lengths of hardened ‘live-center forcing screws – a set of 3 interchangeable forcing screw tips is included to optimize pressure and prevent walking. Blow molded case to prevent spilling and each bolt size is molded into the storage compartment. Three each of the following bolt sizes: M8 x 1.25 x 90mm M8 x 1.25 x 45mm 1/4-28 UNF x 3 M8 x 1.25 x 65mm 5/16-24 UNF x 3 5/16-18 UNC x 3.5 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 35mm Special Stepped Bolts ñ 1990 & Newer