Material: stainless steel, chrome-plated, strong bearing capacity, high hardness, not easy to deform, corrosion-resistant. Bearing capacity: There are 4 holes in the chest handle, which is more stable and safer, and bears more weight. The maximum carrying capacity is 40kg, which is more than enough for your heavy lifting needs. Anti-shock technology: built-in strong spring, can automatically rebound. Prevents the suspension handle from rattling during transport. Ergonomic Design: The toolbox handle is made of high quality rubber, which is comfortable and easy to grip. Great for repainting without putting too much pressure on your fingers. The black rubber boot is insulating and protects your hands from injury. Thick lever and base make it more durable