Swivel office chair with seat slide system HN-5018 GREY

SEAT AND BACKREST profiled mesh backrest for lumbar support high density sponge: seat: T32 (32 kg/m3), backrest: resistant mesh seat slide adjustment MECHANISM synchronous mechanism with multi position tilt lock "anti-shock" function - the feature controls the backrest to avoid hitting a users back smooth seat height adjustment HEADREST independent headrest adjustment (up-down, forward-backward, angle) ARMRESTS adjustable armrests (up-down, forward-backward, sides) with soft (polyurethane) pads BASE AND GAS LIFT stable nylon base gas lift class 4 CASTORS soft castors for hard floors CERTIFICATIONS The product has an endurance test certificate Seat and backrest upholstery is certified for abrasion resistance, pilling and ignition