material: crank remover is made of quality carbon steel material, adopting quenching process to make the remover stronger in hardness, causing no harm on the thread of cranks, lasting for a long time use.Standard size: each bicycle crank puller measures approx. 8 x 2.4 x 2 cm/ 3.15 x 0.94 x 0.79 inches, compact size and light in weight, they allow you to store and carry outside, taking a little place.Convenient usage: bike crank puller remover tool possesses a dual function removable cap, so the pulley can be applied on over-sized spindles, longer jacking rod makes it more easy to use, bringing much more convenience for your usage.Warm prompt: the product may have scratches during transportation, which is a normal phenomenon and would not affect the use, please check the product size before to see if it fits your bike.Widely apply: cycling bicycle bike crankset remover functions as removing the crank arms off the bottom bracket, its removable head allows it to fit tapered type, ensuring a wide ranges of application