FIRSTINFO Crank Bearing Camshaft Seal Remover and Installer Kit Crank seal remover and installer tool set; Comes with 2pcs 118mm long hooks and 2 pcs 73mm short hooks. For universal use removing of oil seals between 27~80 mm in diameter ; installing range between 21.5~58mm Comes with seal adapter which are made of aluminum to avoid damage of crank; Allows the crank seal to be replaced without dismantling the crank case. Do not apply too much strength when using. Also, the strength has to be "average" when applying. The reason why the design of the thickness is thin is that easy to fit the crank seal. Made in Taiwan with high quality. The color of the blow case might be changed to other color depends on the shipment. The contents are the same.