Product Description : Op/Tech Usa 1301102 Uni Adaptor Loops (X-Long) - System Connectors With The Op/Tech Usa System Connectors, The Camera/Binocular Owner Has Several Connection Options. You Can Buy An Extra Set Of Connectors To Customize The Strap To Best Suit Your Needs. Straps Can Be Lengthened To Be Worn Across The Chest Or Shortened To Be Worn At Chest Level. Another Feature Of The System Connectors Is The Small Carrying Handle Created When The Quick Disconnects Are Latched Together. The Uni Adapter Loop System Connector Allows A Camera Or Binoculars To Be Used With Several Neck Straps, Wrist Straps Or Harness Systems. The Uni Adaptor Loop System Connector Is Available In Sets Of Two And Comes In Two Sizes: Regular (10. 5" - 13. 5") And X-Long (13" - 19"). California Prop 65 Warning : This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information visit to the website.