Stock Number: 709209 Bullets: 12-1/2in Wide smooth action roller easily handles unwieldy stock, Four-point stand with non-marring foot caps for greater stability under load, Knurled telescoping post offers good contact for locking knob, Locking knob adjustment sets height from 25-1/2" to 42" for workpiece support, Welded steel tube construction offers high strength with minimum weight Prop 65: Cancer and Reproductive Harm