Bead separation: it is a kind of bead accessories, round, generally less than or equal to the main material of beads. Beads, like spacers, are used to separate beads in a string of beads.
Positioning balls (ball plunger and spring plunger) are also called ball plunger or spring plunger. It is a load device consisting of a shell, a spring, a sphere or a cylinder. Widely used in some medical equipment, lubrication equipment, pneumatic tools and other products. Engineers often use it in molds, fixtures, assembly and other work. With the help of a spring with a certain pressure, the ball moves to make the equipment run smoothly.