Advanced level handle lock with excellent anti-theft, durability and operability. Applicable door thickness: 29 ~ 33, 33 ~ 43, 43 ~ 53mm and 53 ~ 63mm. Installation distance: 32mm, 38mm, 51mm, 64mm. Applicable to master key: MK / GMK / ggmk Recommended brand by Japan Public Building Association. It can be equipped with seismic receiving seat, movable receiving seat and public receiving seat. It has excellent handle lock usability, high strength and long-lasting durability. Handle material: 304 stainless steel + surface treatment (wire drawing, black coating).