This is a heavy duty vise made of hardened steel and polished brass. The head assembly rotate 360 degrees, this allows the user to view the fly from any angle. Jaws pivot to nearly a 90 degree angle. Included is a heavy duty clamp mount to attach your vise to a work surfaces up to 1-1/2" in thickness. Vise has black, non-glare finish. For use with hook sizes 2/0 to 22. Shaft is a standard 3/8" wide. Compatible replace jaws are also available, see our FV2152.