For additional storage of small component parts during strip down or for specialised chemical containers. Strong magnets hold on tool cabinets, industrial machinery housings or in the electronics industry. 4 piece. Ideal storage for chemicals or small parts. Dimensions: 110mm long x 30mm deep and 310 | 270 | 220 | 150mm wide. Strong magnets hold on tool cabinets. Useful for automotive, electronics and computer industries.