bus slack adjuster 1. Model#: GR-AJ003 2. Number of spline teeth: 8 ... in a small quantity.4) We provide 2 kinds packaging for all bus parts, normal carton packaging and wooden case packaging ... steelMaterial: Steel, Alloy steel, Carbon steelSuit for the bus like: YUTONG, KINGLONG, GOLDENDRAGON, HIGER,ZONDA, ANKAI, MUDAN, BENZ, VOLVO…...Weight: 2kg slack adjuster