Features 1、The surface of the casting has been sandblasted, and there are no casting defects such as sand holes, cracks, looseness, slag inclusions, etc. 2、The casting size tolerance is CT6 level specified in GB6414, and the wrong value is not more than 1, which is very accurate 3、Possess strong rigidity, especially the big head, has enough rigidity to meet the fatigue strength requirements 4、This connecting rod is lightweight, small inertia, and durable, practical and easy to use 5、Made of cast aluminum material, suitable for air compressor and air pump accessories Specification Item Type: Connecting Rod Material: Cast aluminum Model: 12.7x24x102 Small Hole Diameter: Approx. 12.7mm / 0.5in ±1 Large Hole Diameter: Approx. 24mm / 0.9in ±1 Center Distance Between Two Holes: Approx. 102mm / 4in±1 Package List 1 x Connecting Rod