1.The bottom is finely processed, which improved the precision of the contact surface between the vise and the machine, to ensure the accuracy of the products. 2.This flat clamp design with 3 inch clamping capacity, the clamp will fit a variety of materials and projects. Clamp the object with the small vise for easy drilling. 3.This mini flat clamp body uses iron + steel, which provide high precision and durable use, it will securely hold your material without damaging it. 4.The rod guide design ensures smooth and even jaw movement without deviation. 5.This work vise is an indispensable work holding tool that provides a secure grip for sawing, sanding, planning, drilling, gluing and more.