HDT anti fatigue mat was developed to give assembly line personnel a floor mat that chairs or stools with casters could be used on. The item has also discovered a niche of labs and the list sector for using of pharmacies. The top surface of HDT anti fatigue matting is created from the same exceptionally durable compound as our stone plate floor mat item besides it 39 s 3/16 inches thick with a smooth surface. This puncture evidence area material mixed with our closed cell polymeric sponge foundation creates a mat to withstand the most strict industrial environments. HDT floor matting offers long life and excellent durability, suffers no detraction from weathering, ozone coverage and is self extinguishing when tested in accordance with FMVSS 302. The super deluxe model is 1 inches thick. Features HDT Anti Fatigue Mat Specifications Color Black Size 4 39 x 36 39 Surface 0.56 Thickness 1 Weight 234 lbs...