Vktech&reg; Tactical Backpack EDC Shackle Carabiner Snap Link D-Ring Clip Key Ring (Black) Eliminates metal-on-metal noise and paint scratches Use for securing tactical accessories,NOT intended as a life support item and should never be used for climbing Shackle is manufactured from high-strength lightweight plastic "ancillary safety buckle", with corrosion resistance and resistance to solar exposure, automatic drainage sediment load devices and ultra-automatic relief devices and many other qualities Use approximately 1 inch wide webbing, it can buckle in such tactical vests, backpacks, purses and other equipment, the MOLLE system, as a short rope, tools, accessories and auxiliary parts Fit 1 inch/25mm wide webbing