1. Compatible with 1.9 cm dog holes: This clamp is specifically designed for 1.9 cm dog holes on your workbench, offering exceptional versatility for clamping tasks in various woodworking projects. 2. Construction Made from chrome vanadium steel with a forged process and chrome finish, this clamp ensures longlasting durability and reliable performance even under harsh conditions. 3. Ratcheting mechanism: The innovative ratcheting mechanism allows for efficient clamping and quick release, providing a secure grip that resists vibrations during use and enhances your workflow. 4. Selfaligning design Featuring selfaligning jaws, this clamp can easily accommodate materials at various angles, ensuring a stable hold on your workpiece for improved precision and stability. Note: 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.