304 Stainless Steel Ball, Oil-Free Steel Ball, Corrosion Resistance, Used for Outdoor Machinery, 4/5/6/7/8mm,7mm*0.5kg=350pcs

It is precisely designed to achieve perfect consistency in weight, size and surface finish. The ball is made of high-quality steel, which can withstand huge impacts and is very suitable for bicycle bearingsBrand new and high qualityMaterial: 304 stainless steelProduct name: 304 stainless steel ballColor: Picture colorSize: 3,4,5,6 7.8mm diameter

• 304 stainless steel material has good anti-rust performance, anti-corrosion performance
• Pure solid stainless steel ball, clean, precise, smooth surface, no water and no oil
• Improve precision: With these ball bearings, you can get high precision every time you hit the ball, so you can continuously improve and increase the efficiency of the balls.
• Precision design: These ball bearings have been carefully designed to achieve perfect consistency in weight, size and surface finish.
• Effective performance: This kind of steel ball is very useful, can make you have a high accuracy in every hit, so you can progress and improve your level