1. The plastic D-buckle is made of a material with a smooth surface and can bear a load of up to 20 kg (not suitable for use as a climbing tool and not suitable for carrying around). 2. The D-shaped lock is lightweight and easy to carry. The black color can match anything. 3. The tent clips are made of nylon, which has good elasticity and strong toughness. They are also black and can be used with the D-shaped lock. 4. If the edge of the tent is unlocked, it is easy to loosen due to the limited clamping force. 5. For tents with edge locking, the clips can withstand high tension and will not loosen. 6. Both tools cause little damage to the fabric, so you can use them with confidence. 7. Specifications: - Condition: Brand new - Materials: Plastic, Nylon - Color: Black - D-shaped lock size: Approximately 5.7 * 3.5 cm / 2.2 * 1.4 inches - D-lock load-bearing capacity: 20 kg - Tent clip size: Approximately 8.5 * 3 * 2 cm / 3.3 * 1.2 * 0.8 inches - Weight: Approximately 164 grams 8. Package list: - 5 * D-shaped locks - 5 * Tent clips 9. Note: Not suitable for rock climbing activities.