Parameter: 1. Material: Aluminum alloy 2. Weight: Small size is about 2600 grams, medium size is about 2900 grams, large size is about 3000 grams, extra large size is about 3200 grams 3. The height of the armrest to the ground: small 41.5-51 cm, medium 51.5-61.5 cm, large 64.5-74 cm, extra large 69-78.5 cm 4. Inner diameter of armrest: 35 cm 5. Front wheel outer diameter: small 58.5-60 cm, medium 61-63 cm, large 63-65 cm, extra large 64-66.5 cm 6. The outer diameter of the rear wheel: small size 52.5-53.5 cm, medium size 54-55 cm, large size 55-56 cm, extra large size 55.5-56 cm 7. Outside diameter of side leg tube: small 59-67 cm, medium 69-77 cm, large 79-87 cm, extra large 83-91 cm 8. Recommended height: small children under 1 meter, medium children 1-1.2 meters, large children 1.3-1.4 meters, extra large children 1.4-1.5 meters 9. Item No.: CST-4071 10. Specifications: 4071 small, 4071 medium, 4071 large, 4071 extra large 11. Applicable parts: legs 12. Applicable people: toddlers, post-operative rehabilitation training, poliomyelitis, cerebral palsy, mentally retarded and other people Features: 1. The surface of the aluminum alloy tube is oxidized, which is not easy to rust and is durable 2. Four-legged supporting pulley, stable in use 3. Height adjustable in 5 levels 4. Foam handrails, reduce friction, non-slip and sweat absorption 5. Fish scale welding, smooth and no scratching 6. Impact resistant PVC tread, shock and wear resistance 7. PP folding buckle, 180 degree adjustable angle, flexible and convenient
