The #404 Spring End Former is a tough tool to make work easy. Crimps the end of zig-zag springs and opens end coil springs. Comes with three bolts and nuts. Bolt to the corner of a bench or 1" block no more than 5" from the edge of the bench. Can be used in a vise. 5/16" holes drilled 1-3/4" apart. Length is 13", width is 1/2", total weight 1-1/4 lbs.