Return to the office without forgetting a single thing! Buy Office Chair Jorquera traslak Piqueras y Crespo LI840TK Black and be the envy of your colleagues!. Colour: Black. Structure: PVC. Chair with Armrests: Adjustable. Approx. weight: 18 kg. Wheel material: Nylon. Seat material: PVC. Finish: Cloth. Certificate: UNE EN 1335. Hours of use: 8 hours. Backrest: Polyamide. Piston: Gas. Mechanism: Synchro. Maximum seat height: 53 cm. Minimum seat height: 45 cm. Total width: 64 cm