2" × 18" smooth Polyurethane cast over heavy duty steel tubing Polyurethane body material is extremely abrasion resistant. Less uneven wear, cracking, denting, and overall longer life versus any steel rollers on the market. Golfco Competition Smooth Rollers are commonly used on greens mowers and turf maintenance equipment providing a truer, cleaner cut without additional friction or drag. Typically chosen for tournament conditions or high-end golf courses where the focus is on maximum smoothness and speed of the putting surface. Sealed ball bearings that last without the need for re-greasing. Don't see your machine or roller style listed? Call us about the possible roller options to enhance after-cut appearance.