I make these,they are great 4 up to 13ft tinnys![FINISHED ANOTHER ONE NOW..READY TO DO ANOTHER TRAILER NOW,.!!HAVE UR BOAT READY 4 SUMMER......PAY 4 A SOLID ONE OR BUY CHINEESE CRAP,UP TO U...LOL.]can do with alloy wheels,or galved ones/fully seal welded,axle an frame so NO SALTWATER gets inside!!made from 50 x 50mmx 4mm box so will last 4 years!! so u only have the outside to lookafter!!painted in 2 pak for its hardness an long life..txt or call 4 more info...ps;i can do any other size trailers at good prices!!.pps=no the boat doesnt come with it!!it was the last 1 i built with sum of customers old parts..,wheels/coupling etc..[i make them under the 5 to 7 day auction rules.an may do in 2 payments if u want..][NO LOCKED NOS!]ph or txt 027,2985383]=AS THIS IS BRAND NEW WHEN U GET A W.O.F.IT'L BE 12 MTH WOFS FOR THE NEXT 6 YEARS..!!chrs dave...can do catamarang road trailers as well...as well as TRAILER REPAIRS,GET YOUR TRAILER DUNE NOW B4 SUMMER!!!!