Ultra Saftey Tef-Gel. 2 OZ. TUB. Eliminates corrosion of stainless screws in aluminum, on outdrives, outboards, steering gear, fishing equipment, outriggers, davits, masts, booms and especially canvas snaps, blistering of painted surfaces, dockware, light fixtures and junction boxes. Eliminates the seizing of moving parts such as turnbuckles, chair adjusters, slides, hinges and reel mounts, as well as the galling of stainless steel and titanium locknuts and hardware. Tef-Gel is now being used by the most demanding professionals at boat yards,equipment manufacturers, rigging companies, and shipbuilders since 1989. Try it and you'll agree... there's no other product that compares.