The BI series forks with plate fixing are made of reinforced pressed steel plate of material 1.4301. The series BI is suitable for manually moved loads up to 400 kg. KN series wheels are die casted one piece wheels made of high quality Polyamide PA 6 in natural color (white). The wheels are available with plain bearing. Polyamide 6 is suitable for applications for a temperature range of -40° up to +90°C.