- 5 tonne fade resistant webbing - MSA compliant to Blue Book rule Q19.1.3 - Overall length 26cm - Loop diameter 13cm All tow loops are MSA compliant to Blue Book rule Q19.1.3 and are suitable for front or rear fitment to all car types. Overall length is 26cm, with a loop diameter of 13cm, the steel mounting plate bolt-hole centre ID is 12.5mm.