The HMH Spinner Tube Fly Vise features all precision machined components with Ultra-Smooth 360 rotary action. It has an adjustable head angle and versatile-use with or without pins. It has an exclusive disc-drag rotary tension adjustment. Removable spinner handle for more precise rotary control. Clamp tubes up to 1/8″ o.d directly in the jaws or, use pins to mount tubes. Double spring material clip. Powder-Coated pedestal base. Lifetime Guarantee. Made in the USA