The expanding mandrel consists of two parts - a tapered arbor and a flexible sleeve
Usually seated with an arbor press
Sizes within a range may be obtained by moving the sleeve along the arbor
Sizes 1/2" through 7/8" have one sleeve, sizes 1" through 2" have two sleeves
Mandrels are hardened and ground
WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.