2-16x7.50-8 Armstrong Zero-T Turf Lawn Mower Tires Heavy Duty 4 PR 16 750 8. The Zero-T offers the latest advancements in traction for turf tires. This provides minimal turf damage due to zero turn mowers turning sharp. The Zero-T has been designed for Zero Turn mowers. The Zero-T is built to offer better grip on the sides of hills.Zero-T offers better puncture resistance, and better slow speed maneuverability than most tires on the market. Thanks to the Zero-T's enhanced rubber technology, there is also a large reduction in shock and vibration during operation. With it's improved tread design, the Zero-T is able to make fast, tight turns without the risk of damaging your turf. This design also allows the tire to see a speed increase of up to 1 MPH, or approximately an increase of 15%, without any extra fuel consumption.