M230 The M230 Mechanical Keyless Deadlocking Spring Latch locks automatically every time the door is closed, for maximum security. For added security, the deadlocking spring latch head contains a free-spinning, stainless steel burglar proof plunger. Ideal for - Residential Entry Doors- Garage Doors- Commercial Doors Features Automatically locks when door is closed Comes standard with 2 3/8" latch-2 3/4" available upon request Changeable Handing Covers a standard 2 1/8" hole Easy to change code Fits all doors 1 3/8" - 2" thick Specifications DIMENSIONS 4 7/8" L x 1 7/16" W x 1 3/4" D - Total Coverage (w/ Trim Plates): 5 5/8" x 2 1/2" FINISHES AVAILABLE Antique Brass; Bright Brass; Satin Chrome; Satin Nickel; Jet Black; White; Oil Rubbed Bronze; Bright Chrome; Marine Grade (Special Finish) DOOR THICKNESS 1 3/8” to 2” LATCH Adjustable backset latch TOTAL COVERAGE WITH TRIM PLATES 5 5/8″ x 2 1/2″ DOOR PREP Covers standard 2 1/8″ with provided trim platesEdge Bore: 1" MATERIAL Zinc-plated Steel with Teflon coated stainless steel interior components APPLICATION Exterior & Interior UseWeather Resistant WARRANTY Lifetime Mechanical Downloads Installation InstructionsSpecifications Sheet Return Policy: We do not accept returns on unsealed products. In order to return a defective item a support ticket is needed. To receive a ticket, please contact Lockey directly at 888.395.0163 or visit their support page here.