Features: 1) Spline parameters: a) Top diameter: 38.1mm b) Teeth no.: 10 2) Arm parameters: a) A: 127mm b) B: 152.4mm c) C: 177.8mm d) OAL: 192mm 3) Bushing: 12.7mm Inner packing: piastic bag and individual box Outer packing: strong standard palled We can produce hundreds of different types of slack adjuster, subject to customers' design and demands. Please feel free to contact us if you have some demand in our products or you want to konw more detailed information about our company and our products, we will be glad to answer for your further inquiry.