Weiser manufactures and markets a complete line of door locks and door hardware including door knobs, door levers, deadbolts, handlesets, pocket door hardware and electronic keyless entry locks for residential and light commercial applications. For over one hundred years, millions of families have relied on Weiser for security and peace of mind. Door hardware is often the first thing that visitors touch and feel when entering your house and can set the tone for the rest of your home. With this Weiser product, you don't have to sacrifice style for security. Express who you are by finding the right door hardware style and finish to complement your home.  Get Smart. Get Weiser. This knob/deadbolt combo locks from the inside by using a thumb-turn, or from the outside by using a key. It is typically used in exterior applications.