Ironman 4x4 Tree Trunk Protector Strap 12,000kg Tree trunk protectors are designed to protect the tree used as an anchor point for your recovery. If you use anything other than a tree trunk protector you risk damaging both the tree and your winching line - not to mention the tree! Shipping address Goods can be shipped to a street address or a PO Box address, however, bulky goods will not be shipped to a PO Box address unless this is your local arrangement. Delivery There can be only 1 attempt to deliver at the nominated address. Authority to Leave the parcel is assumed, unless otherwise indicated on the web order. If you or your respresentative is not present to accept your delivery, either the parcel will be left at a secure place within your premises or a card will be left for you to contact the courier and organise a pick up from their depot or an Australia Post Office location.