Function:the camping gadgets make ease of adding or fixing tie-downs;with rope tensioner you can easy putting a taut-line hitch in rope on a tent,and perfect to lock the cord and prevent it skids away; Durable and weight light:Made of aluminum alloy,the rope buckle are stable and strong,protect your canopy from being blown away by wind;ultralight material guy line adjuster are tiny and compact,convenient to carry; Quantity:4 styles totally,and each style have 10pcs,enough for outdoor camping use;and the reflective red color is eye-catching,not easy to lose even in black night; Suitable:4 styles for choose,suit for different ropes such as para cord,guy line,ridge line,cloth line, guy rope,tent cord,plastic spool,nylon rope,utility cord and so on ; Multipurpose:the cord fastener is great help for outdoor activities,can provide a firm grip for sun sail,canopy,rain tarp,tarp shelter,canvas,sunshade,hammock,tree tent,screen tent.