Self-locking function makes the folding table very convenient when unfolding. Wide use allows these folding hinges to be used in a variety of folding furniture. Unlock folding button to make you safer in use. The strong bearing capacity allows you to use these folding hinges with confidence. Made of iron material, it is very durable to use. The length of this product is 7.5cm, the width is 6cm and the height is 5.5cm. It is suitable for folding table, folding bed, RV and so on. Item Name: Folding Hinge Material: Iron Color: Golden Color Load Capacity: 20kg-30kg Surface Treatment: Color Zinc Features: Self Locking, Widely Applicable, Strong Bearing Capacity Size Details: Size: 7.5cm x 6cm x 5.5cm or 3" x 2.4" x 2.2" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 4 x Folding Hinges