Text a picture of your item to (718) 395-6583or email to email@example.com
Select a picture from your computer to upload
Note: Press command or control to select multiple files
Now fill your information below and we will get back to you shortly.
Standard Duty Commercial Classroom Knob Lock
Choose Options Below
This Corbin Russwin CK4455 is classroom function cylindrical knobset which can be locked or unlocked with the use of a key on the outside knob, while the inside knob remains free at all times. This lockset is supplied with a 2-3/4" standard backset and it can be special ordered with other backsets as well.
Have a question about this product?
Use the menu on the right to select available options. After all options have been chosen, you can add to cart.
Have a question? Need help?
Call Us: 1-866-749-7661
Click on the links below to download helpful instructions & templates for this product
Multiple Options and Finishes
Starting at: $150.00
This Corbin Russwin CK4451 is a standard duty entrance/office function cylindrical knobset which is ideally suited for quality residential applications as well as light commercial areas. This product meets ANSI/BHMA A156.2 series 4000 Grade 2 require...
This Corbin Russwin CK4457 is a Grade 2 quality commercial and residential knobset. Storeroom or closet function requires a key for entry and the inside knob is always free. The latch is made of stainless steel material for long life. It has a 1/2" t...
Starting at: $107.00
This Corbin Russwin CK4410 is a passage function, standard duty knobset, suitable for standard commercial and residential applications such as fine homes, apartments, motels and offices. The knob on the inside and the outside are always free.
Starting at: $117.00
This Corbin Russwin CK4430 is a Grade 2, standard duty commercial/residential knobset. This product is available with several different finishes and with various knob styles. Its privacy function enables a pushbutton on the inside to lock the outside...
Merchandise may be accepted for return within 60 days of purchase if it is in its original packaging and condition, and has not been used or installed. Electrical products may not be returned if power has been applied.
Some items, such as keying supplies and tools are not returnable, and this will be noted when you are making your purchase. No returns can be accepted on special order products.
You must contact us to request an RGA number in advance of returning any product! Packages that arrive without the RGA number prominently displayed on the outside of the carton may be refused and returned to you unopened. It is strongly recommended that you declare value when returning material to us that is worth more than $100 as most carriers will not cover losses over that amount without additional insurance.