Trac-Grabber x4 -The Get Unstuck Traction Solution for Trucks and SUVs (TG-T02). QUAD PACK FOR 4WD TRUCKS & SUVS (TG-T02). Trac-Grabbers are manufactured from rugged EPDM rubber like the tires on your car and can be used over and over again. Recommended for: 4x4 Trucks and All-Wheel Drive SUVs with Standard or All-Terrain Tires.Tires with a max "Girth" of 40. Girth is the measurement through your wheel and around the tire as a Trac-Grabber would be installed. For a girth greater than 40 the Oversize XL model is required. While some situations may only require a single set of Trac-Grabbers to be installed, one on each Drive Wheel is best for the most extreme situations. Note: Trac-Grabbers should be installed on each drive wheel rather than installing multiple on one wheel.