40-size SUS chain (3m) x 5 box set ☆ Total of 15m ☆ 50-size stainless steel chains are also available, so feel free to comment. m(_ _)m Features The stainless steel chain is made entirely of SUS304 material. Applications Suitable for use in environments with chemical corrosion from acids, alkalis, etc., places exposed to water or steam, and high or low temperatures. Pitch (mm): 12.7 Roller outer diameter (mm): 7.92 Inner link inner width (mm): 7.95 Country of origin: Japan One box is 8000 yen ☆ If you need 3 or more boxes, please consult in the comments m(_ _)m Katayama Chain SUS Chain