Electric static discharge construction (ESD = Electrostatic Discharge). Tubular steel and sectional steel welded, conductive powder coating, slate grey RAL 7015. . 2 swivel and 2 fixed-wheel castors. Wheels electrically conductive (anti-static) with TPE-ESD tyres (thermoplastic elastomer). Hubs with precision deep groove ball bearing. Maximum comfort: Very low starting, rolling and swivelling resistance. Low noise operation on level floors. Tyres are non-marking. 2 swivel castors with wheel lock, according to the European Standard EN 1757-3 (safety of platform trolleys). With 3 electrically conductive (anti-static) HPL composite shelves, rim 7 mm high. With tiltable platforms. Upper and middle platforms tiltable to both sides by 15° and 30°, locked by spring catch. Capacity upper and middle shelves 50 kg.