1、Professional: Beehive U staple gun adopts professional design, uses retracting principle, does not need power supply, and can be used for a long time. 2、Labor Saving: Ergonomically designed manual staple gun, non slip rubber grip, designed according to the principle of lever, saving time and effort, and working faster. 3、Adjustable: With adjustable knobs, clockwise rotation to drill deeper, counterclockwise rotation to drill shallower, to meet different materials and requirements. 4、Practical: 3 in 1 manual U nail gun, used for binding beehives and nest frames, easy to use, no other settings, equipped with a box of U shaped nails, convenient and practical. 5、High Quality Material: This nail gun is made of high quality stainless steel, which is not easy to deform, strong and durable, and provides a long term service life.