A. Firm fastening and pressing: This workbench vise screw has a relatively strong load - bearing capacity and can achieve a self - locking function, which can facilitate work to some extent. B. Reliable in use: The vise screw is processed with relatively exquisite craftsmanship, ensuring relatively stable working performance, certain safety and reliability. C. Standard design: The total length of the screw is 220 mm, and the effective stroke is 140 mm. It conforms to the standard design and has a certain degree of adaptability. D. With a handwheel: In addition, this T - type vise screw is equipped with a handwheel with an outer diameter of 100 mm, which simplifies the overall operation to a certain degree. E. Easy to install: This table - type screw is relatively light in weight and small in size, and can be installed relatively easily within a few minutes.