this patented system makes binding as quick and easy as it could possibly be and ensures perfect results every time. fully featured manual comb and wire binder with high punch capacity. punches up to 30 sheets. binds documents up to 450 pages using up to 50mm combs and 140 pages using up to 14mm wires. punches a4 and a5 paper. also closes 21 loop wires. includes margin depth adjuster, comb opening stop plus "simple click" for finger tip control of comb opening. comes complete with a starter kit. 2 year warranty.