Unique Bargains 7mm PP Solid Plastic Balls Precision Bearing Ball 300 Pack, 4mm 50

Uxcell 0.16'' Solid Balls Precision Bearing Ball PP Plastic White 50 Pack

1. PP plastic (also called polypropylene) is multi-purpose plastic and has established a position as an engineering plastic.
2. Bearing balls are used in applications such as drawer slides, precision bearings, pumps and valves, check valves, flow meters, and measurement instruments that operate in environments.
3. PP bearing balls are specially useful for makeup bottle, low load bearings, special valves, check valves, valves, fluid level indicators, carburetors, flow meters, laboratory devices.
4. It is convenient and practical for you to use in your daily life.