LCN 4020 Series Door Closers
The 4020 is a heavy duty closer with adjustable spring power using the LCN Green Dial. This creates a custom fit to meet the specific demands of high traffic use and brings reliable performance.
PASSOVER HOLIDAY CLOSING - National Lock Supply will be closed Mon Apr 22 through Tue Apr 30. We will reopen at 9am Wed May 1.
The 4020 is a heavy duty closer with adjustable spring power using the LCN Green Dial. This creates a custom fit to meet the specific demands of high traffic use and brings reliable performance.