Abstract: A vise has a first clamp seat, a second clamp seat engaging with the first clamp seat, a first clamp plate fastened on the first clamp seat, a second clamp plate fastened on the second clamp seat, a taper block disposed between the first clamp seat and the second clamp seat, a taper collar disposed on the taper block, a pair of coiled springs, a pair of fastening bolts, an adjustment bolt, and a nut. The first clamp seat has an inclined face, a notch, a recessed face, and a pair of through holes. The second clamp seat has an inclined face, a notch, a recessed face, and a pair of threaded apertures. The taper block has an oblong hole. The coiled springs are inserted in the through holes of the first clamp seat. The fastening bolts pass through the coiled springs to fasten the first clamp seat and the second clamp seat together. The adjustment bolt pass through the taper collar and the taper block. The nut engages with the adjustment bolt.