Product: Basic Deadbolt Lock Kit W/ Rotating Black Velvet Keypad. EM35-20. NL Lock Basic Deadbolt Lock Body. The StraightBolt lock can be mounted in all four mounting directions. The Basic Electronics feature a 6-digit Main code that can be changed by the user. With the main code a secondary code can be activated and deleted. If a valid code has been entered, the lock electronic removes the blocking for 3 seconds and the bolt can be moved into the housing by turning an internal driving cam with a turnable entry unit or a knob. After moving the bolt to LOCKED position, the StraightBolt automatically secures. StraightBolt Basic is compatible with the following NL LOCK Entry units (separate technical descriptions for Entry units are available). Entry unit spindle/cable hole on the safe door does not have to exceed 12 mm diamete. Manual. PI20-R3. NL Lock Rotating Black Velvet Keypad. The Premier Keypad has gained the trust of technicians and users with over 2 million installations worldwide - and for good reasons! With a wide variety of installation options, this keypad is the rotating version (Rx) for use with the EM35 Straight Bolt lock, or stationary keypad. Audible and Visual Feedback. Built-in LED lights for use in dark room conditions. Sliding Door Access to Battery Compartment.