Super-Snap Snap On CA Mandrel, package of 6 mandrels. Specially constructed for Super-Snap Disks and Buff Disks. Offers safe seating of disks to the mandrel. Made of durable stainless steel. Also available in Handpiece (HP) and Contra Angle (CA) shanks.. The Super-Snap Mandrels are stainless steel, contra-angle mandrels with an enhanced design that allows for a secure seating of Super-Snap Disks and Buff Disks onto the shanks. They are available in either durable, single-use plastic or stainless steel construction.Stainless steel mandrels are offered in the handpiece, contra-angle, and friction grip shanks, while the plastic mandrels are offered in contra-angle only.