Manufactured by Emtek EMTouch Keypad Leverset - Hercules Lever - Flat Black (US19) - Left or Right Handed available - E4020HECLHUS19 / E4020HECRHUS19 Fits STANDARD door thickness of 1-3/4”. SPECIFY if thicker when ordering. Standard 2-1/8" door prep. STANDARD latch is for 2-3/8" backset. SPECIFY 2-3/4" backset if required WHEN ORDERING. Complete set includes latch, strike plate and a 9-volt battery. EMTouch Keypad Leverset - Hercules Lever - Flat Black (US19) - Left or Right Handed available - E4020HECLHUS19 / E4020HECRHUS19