Diamond Plate Patterned Mats 4' x 6' x 3/4" - Cashmans
Amazon.com: Rubber Mat Flooring 4' x 6' x 3/4" for Gym or Equine, Heaviest Duty, Indestructible, Non-Slip, Smooth or Diamond Surface (3/4" Thick, 10-Pack (Diamond)) : Tools & Home Improvement
Flooring | Rubber Source Inc.
Sundance Mat Straight Edge Standard 3/4 Inch - 4x6 Ft.
Working With & Securing Stall Mats in a Garage Gym