This is a top quality Wilka138F Mortise Latch for doors with narrow profiles or door stiles. It has been tested to the stringent EN 12 209 standard. it has a stainless steel face plate and a fully zinc plated body. Latch is reversable for left or right hand operation. 8mm follower with action of the key on the latch bolt. 92mm from centre of handle hole to centre of euro cylinder (where key is inserted)
Face plate = 245mm high x 24mm wide
Case size = 183.5mm x add 15mm to required backset size to obtain the depth.