YX-28 ​Pile Height: 23mm (+/-1%) ​Turf Gauge: 3/8 inch ​Density: 29400 ​Color: Fern Cyan & Fern Green ​GX-28 ​Pile Height: 28mm (+/-1%) ​Turf Gauge: 3/8 inch ​Density: 29400 ​Color: Fern Cyan & Fern Green