Abstract: A puller includes a main body provided with a plurality of support seats, a plurality of clamping members each pivotally and detachably mounted on a respective one of the support seats, a top cover mounted on the main body and provided with a plurality of pressing pieces each pressing a respective one of the clamping members, and a threaded rod extending through the top cover and the main body. Thus, each of the clamping members is pivotable relative to the respective support seat of the main body so as to adjust the inclined angle of each of the clamping members relative to the respective support seat. In addition, each of the clamping members is locked onto and unlocked from the respective support seat easily and quickly.