[high-quality material]-fast steel with strong impact resistance, automatic center stamping, wear resistance and corrosion resistance, and prolonged service life. [Unique design]-The automatic centering surface of the spring pen pressure pin can realize comfortable work and reduce the fatigue of users, while the precisely centered tip can enhance the control of the accurate hole position. [Ease of use]-use the big head to aim at the positioning point. Grasp the pinch point tightly and push it into the stamping, and the powerful spring will forcefully eject the stamping. There are no necessary, convenient and portable tools such as hammers. [Anti-slip design]-deep diamond grinds fingers, which is convenient for operation, better control and safer; A comfortable cordless hat is a good pillow for your palm to resist the impact of spring. [Multipurpose] is suitable for various tasks, such as: B. Material marking, automatic emergency tools, alternative hammer and steel plate placement, wood placement, wall placement, etc. [p Product details: - Automatically mark, mark, punch and start punching, imitation or aiming. - suitable for wooden floor, fiberboard, particle board, plywood, plastic, aluminum plate, etc. - This is also an excellent tool for cars to break glass in an emergency. Specifications: Material: Steel Color: Silver, black Size: 2.8cm/5.04in p delivery content: 1x central silver alluvium /p 2 pieces Product color: silver, black Product size: 12.8 cm x 2.8 cm. Note: Please allow the error of 1 ~ 3cm for manual measurement. S7-1200 programmable controller