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.