5pcs: This refers to a pack containing five pieces of the described item.
8.5cm Tactical Backpack Buckle: This indicates that the buckle is designed for tactical backpacks and is approximately 8.5 centimeters in size.
Fast Tactical Carabiner: This suggests that the carabiner is designed for quick and easy attachment to tactical gear or equipment.
Plastic Hook D Shape: Describes the shape of the hook, which resembles the letter "D" and is made of plastic material.
