U-070B-HSGray nylon and fiberglass back frame Sponge lumbar support that can be adjusted up and down for comfortable waist protection Gray nylon and fiberglass independent armrests 100mm high-resilience shaping sponge Butterfly chassis 046 (Baihui 454) second gear lock back 100# countersunk 40mm black gas rod 330mm gray nylon five-star feet φ60mm black wear-resistant nylon wheels Product warranty for five years Conventional configuration all gray Return to product list