not sure of a source but you can easily make your own with a saw, plywood or a platic will do the job, it’s the thickness that’s important
Reply To: Mast Chocs
Welcome to the UKWA Home Page › Forums › Technical › Mast Chocs › Reply To: Mast Chocs
Anonymousnot sure of a source but you can easily make your own with a saw, plywood or a platic will do the job, it’s the thickness that’s important