Hudy have released this ultimate engine maintenance tool kit set, that includes puller and presser for pulling out and pressing in front & rear engine bearings. Universal components will work with either .12 or.21 engines, while exchangeable bushings and optional collets are available for use with different-sized engines. Made from Hudy Spring Steel and black-hard coated aluminium 7075 T6 for unsurpassed lifespan and durability, all parts are CNC-machined for ultra-high precision. Lightweight design and compact size, easy and comfortable to use. If you need a tool for use with both .12 and .21 engines, Hudy offers separate collets and presser adapters to make the bearing tool universal.