Insta-Chain’s Automatic Ice Chains deploy with the flip of a switch providing virtually instant traction in 1-2 seconds. Square link chain provides equal traction in forward or reverse. Three grease points ensure longer service life. Selective Chrome plating and powder coatings resist corrosion. Available for most ½ Ton through class 8 vehicles. Superior Quality, Performance, and exceptional Customer Service are Insta-Chain’s hallmarks.