Product: Material -The 12 inch two jaw bearing puller is made of forged chrome vanadium steel material. It has high hardness and strength. Heat treatment process makes it more good. Multi-purpose Reversible Jaw Puller – The two jaw gear puller can be mounted with the claws facing inside or facing outside, suit for internal and external pulling of gears and other components. Adjustable Design – Adjustable clamping depth and grip width, suitable for different sizes of gears and bearings，enables many bearings and components to be dismounted. .