8Pcs 608 ABEC 9 Bring Carbon Steel Sled Brings 8x22x7mm for Roller Skates Dance Boards

Carbon Steel Material: Made of high quality carbon steel, high hardness, hvy bring capacity, and corrosion resistance. ABEC 9 Bring: Using ABEC 9 standard specification brings, high accuracy, low noise, uniform speed during high efficiency . Good Performance: 608 ABEC 9 bring has stable performance, good coordination with NaMachinery, and improved work efficiency. Item Type: 608    Bring Material: Carbon Steel Inner Diameter: Approx. 8mm / 0.31in Outer Diameter: Approx. 22mm / 0.9in Thickness: Approx. 7mm / 0.28in Weight: Approx. 92g / 3.2oz