The Fastex Barreloc Cord Lock for 3/16" Cord Acetal Black offers a reliable and lightweight solution for securing or adjusting cords with one-hand operation. Made from durable acetal plastic and designed specifically for 3/16 inch cords, this black spring loaded toggle lock works smoothly with one or two cords, making it ideal for outdoor gear like sleeping bags and jackets as well as patio accessories. Its compact barrel cord lock design ensures a secure grip while resisting UV and abrasion, serving as a practical drawstring fastener and apparel accessory that enhances cord management with ease and durability.