The 3ARP has 360 degree rotation. Easy and positive adjustment to hook sizes from 24's to giant 6/0's. Easy conversion for right and left hand tiers. Jaws may be set to any angle. A 3/8" stem that breaks down for easy portability. This model has the advantage of being the pedestal mount. Its portability is advantageous to the traveling tyer. It also comes with a C-clamp which allows it to be attached to a table if necessary. The versatility of this vice is unequaled in the industry.