feature: 1. Soft rubber comfortable handle, soft and comfortable to hold for a long time without getting tired 2. Anti-skid pad with convex marks, effective anti-slip 3. Reinforced chassis, new PP material with good toughness and high load 4. Reinforced aluminum alloy tie rods and double horizontal bars are reinforced with high strength and long service life without rusting 5. Lightweight design, folding design, light weight and not occupying space 6. The six-wheel force is more uniform 7. The 90° angle of the pull rod can be fixed, push-pull dual-purpose