Premier Lock is an industry leader in providing functional, secure, and smart locksmith products for residential and commercial purposes. All cylinders used in Premier Lock products are made of solid brass to ensure an extended lifetime and protection against corrosion. With a variety of affordable options across product lines, the premier lock has been a trusted name for locksmiths and homeowners for 20 years. Secure your home or business today with this entry door knob combination lockset with a deadbolt. Each lock features an adjustable latch, single-cylinder deadbolt, and switch style knob for a quick and easy installation.