From The Anvil Anvil Black Suffolk Latch - 73264M

Black Suffolk Latch. Traditionally used on a ledge and braced door, a suffolk latch set is a decorative door latch with a thumb shaped lever. When the thumb shaped lever is pressed down this operates a thumb bar which passes through the door, this lifts the latch bar on the opposite side causing it to open. A decorative cast thumblatch with backplate. Thumblatches are usually used in conjunction with a tee hinge on traditional plank doors. Maximum door thickness: 44mm. Supplied with matching SS wood screws. Dimensions: Backplate Size: 218mm x 45mm Handle length: 100mm Thumb Bar Length: 120mm Latch Length: 243mm Projection: 52mm Plate thickness: 4mm