1. Durable Material--The whole is made of ABS, andbody-forming surface is smooth, smooth, and burr-free. 2. Compact and Portable--Palm size, small size, lightweight, easy to carry outdoors. 3. Not Easy to Hurt Hand--Do not contact the arrowhead directly to avoid being cut by the blade on the arrowhead. 4. Easy Installation--Easy installation of the arrowhead, arrowhead select the appropriate hole, insert the arrowhead, rotate, and tighten. 5. Wide Application--Petal-shaped design, bisecting 12 slits, can be installed 2, 4, 6... arrowhead with the same number of blades.