1Function: This internal external pullers can pull out the gears, bearings, grease retainers and oil seals and flywheel etc., without damaging surrounding parts. 2Premium Material: Slide hammer is made of premium chrome vanadium steel material, high strength, anti rust, wearproof, sturdy and durable in use. 3Easy Operation: Easy to use, simply turn the handle clockwise to open the clip against the bearing, then pull it out by sliding the weight backwards. 4High Reliability: Professional manufacturing, precise machined 3 jaws for secure grip on the gears, bearings, high performance, strong reliability. 5Equipped with Storage Box: Bearing slide hammer puller set comes with a storage box, easy for you to store and carry, the tools are not easy to lose.