Description Overview System includes 2 sewing heads Machines are made to order System is completely computerized Specifications Original can handle sizes from 2100 mm width to any length Free height under needle is 150 mm but can be increased to 28c Maximum thickness depending on density The mattress must be compressible to below 10 mm Voltage: 220 volts or 400 volts (as per customer) Remote diagnostics: modem includedFree height under needle: 150mm (can be increased to 280mm)