Kit Includes 4 Keys, 4 Male sides with Lock, 4 Female sides with Center Engineered for Fireloc and clean-room application products Tested and approved by Underwriters Laboratories for use in the United States Canada Made by the leading manufacturer of Heat Resistant Plastic Hardware Key Turns Lock 90 degrees, Preventing Unfastening Easy Center Push Release Buckle Meets Required Safety and Theft-Proofing Guides Insurance Industry Recommended Product Tested to exceed excessive sustained winds Lock Assures Product Retains Maximum Wind Resistance Berry Amendment Compliant when Paired with Made in USA Webbing Fabrication High-End Fireloc Nylon is Safe at Extreme Temperatures and Weather Conditions Keyed Entry Cannot be By-Passed with Simple Tools Better Than OEM in Many Cases Kit Also Available in other listings in quantity (4) four (8) eight Qty Listings Printable Installation Instructions Available on Request