Features: Achieve precise indexing and positioning with our Self Locking Knob Plunger. Perfect for DIY enthusiasts and professionals alike. Made from high quality stainless steel, our Spring Indexing Plunger ensures durability and rust resistance. Fine thread allows for smooth operation. Designed for a wide ranges of users, our Self Locking Knob Plunger is suitable for carpenters, mechanics, and engineers. Take control of your projects with this versatile tool. Whether you're working on woodworking projects or assembly tasks, our Self Locking Knob Plunger is a must have. Achieve accurate positioning and secure locking. Upgrades your toolkits with our Self Locking Knob Plunger. Experience the convenience of self locking technology andboost your productivity. Get yours now and elevates your projects. Specifications: Material: stainless steel Size: 33mm or 43mm or 62mm or 52mm(optional) Package Includes: 1xSelf Locking Knob Plunger note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.