Load Rating: 121/118S TERRAIN GRIPPER All Season/All Terrain Tires by AMP. Don't worry about getting stuck! From rocks and boulders to sand, dirt, snow and water – any job is a walk in the park for off-road tires. Made for excellent all-terrain traction and stability, these tires will also lend your vehicle the rugged look you've been searching for. AMP Tires has announced the addition of a new A/T tire to their line of light truck tires. The all new Terrain Gripper combines an aggressive tread and heavy duty construction for maximum performance and reliability. The Terrain Gripper is now available in 12 LT sizes for 16" to 20" wheels.