The new smooth post sleeve is available to fit 8" NPT pipe. No need to paint and scrape, these smooth post sleeves make old bollard posts look like new. Red HDPE construction with UV inhibitors resist fading, rusting or cracking. Eliminates annual maintenance while helping to protect vehicles and the post from impact damage. Unique design allows for easy slide-on installation. Sleeves are available in 56" lengths and can be trimmed for an exact fit. The smooth post sleeves are 57" in length and provide the same maintenance free protection as our ribbed models. The sleeves may be easily trimmed for an exact fit. Red color. Measures 8-7/8" inside diameter by 9-3/8" outside diameter by 57" height.