Product name: Cylindrical Door Tubular Handle Lockset Door Knob Lock Material: Stainless steel Finish: AB/AC Size : Standard 2-3/8"(60mm).,2-3/4"(70mm) and adjustable latch (2-3/8" or 2-3/4") also available per request. Fit door thickness: Fit wood or metal doors from 1-3/8" (35mm) to 2"(50mm) thick as standard Application: ET(Entrance), BK(Privacy), PS(Passage), ST(Storeroom), CL(Classroom), HT(Hotel), DM(Dummy)