The SBOX-Max can weld fittings from 20mm to 630mm diameter. Pin adaptors included as standard when purchased. You can weld both 4mm and 4.7mm pin fittings. The box itself weighs only 17kg and it is packaged in a hard protective carry case, which is easy to carry and designed to withstand scratches. The SBOX-Max has on screen instructions in 15 different languages, with new languages being added all the time.