› 30x9x9mm-idler-bearing-pulley-sliding

[Size] - Wheel Size: 30x9mm / 1.18x0.35 Inch(ODxTHK); Thread Size: M8x12mm Thickness: 9mm / 0.35 Inch; Step: 9mm / 0.35 Inch [Material] - The bearing roller is made of POM, and the threaded rod is made of stainless steel [DIY Gadgets] - Slide smoothly…