The only T-Handles you will ever need. BikeMaster T-Handles are made from the highest quality chrome vanadium tool steel, 360° MIG-welded shaft to handle. Highest quality chrome vanadium tool steel 360° MIG-welded shaft to handle Shot-peened, ground and plated, for strength and longevity Heavy-duty, nylon carry case with hook-and-loop closures Includes the most popular sizes of 17mm, 14mm, 13mm, 12mm, 10mm, 8mm, 6mm and an engine case screw-sized crosshead screwdriver Manufacturer's lifetime warranty