Prograde Locks introduces the 58320 Series Locks. This series features commercial grade 2 quality and dependability at affordable prices to industry professionals. Available in stainless steel (US32D) using an all brass precision manufactured cylinder that utilizes an SC4 keyway. Available functions include entrance, classroom, storeroom, passage, and privacy. Locks come with an unconditional 5-year warranty. Information:-800-537-5397 or www.kustomkey.com.