Product Features: Versatility: These three-in-one connectors are ideal for various woodworking applications. They are perfect for locking, fastening, or punching holes, satisfying all your woodworking needs. Diverse Applications: Specifically designed for different board thicknesses, these connectors cater to a wide range of woodworking requirements. Premium Material: Crafted from a combination of zinc alloy, iron, and plastic, these connectors promise durability and longevity. Elegant Design: The sleek silver and white colors add an aesthetic appeal to your projects. Packaged Quantity: Each pack includes 20 pieces, ensuring you have plenty for multiple woodworking tasks. Specifications: Material: Zinc Alloy, Iron, Plastic Optional Model: 269 (Type #A) / 1518 (Type #B) Color: Silver, White Suitable Board Thickness: 15-18mm (for 269), 18-21mm (for 1518) Package Quantity: 20 pcs Package Includes: 20 x Three-in-One Connectors (choose between models 269 or 1518 based on your required board thickness)