Taylor Made Products 41185 Tuff End Inflatable Vinyl Boat Fender 8 x 27 inch, Blue Made in the USA for heavy duty marine applications, recommended for boat sizes 25 to 40 feet Injection molded ends tested to 2000 psi tensile strength Featuring large line holes to fit most ropes and shackles, 6 and 8 inch have line hole diamter 1-1/16 inch, all others have 1-1/2 inch line hole diameter Tri-valve for easy inflation with football needle or compressor Constructed from flexible and resilient marine grade vinyl Seamless one piece construction, the strongest in the industry