Sold by the foot this is extra hose protector for protecting your oil lines from abrasion, or in the case of stainless steel lines, it will protect other items in your engine bay from abrasion by the stainless steel braid.
The photo below shows the hose protector being installed on our OLD blue hose (no longer used). But the old blue hose shows the installation of the protector much better than the newer black hose.
