Spline Coupling, Compatible with Grainger Part Number 4KHC1, 4KHC2, 4KHC6, 4KHC7, 4KHD3, 4KHD4, 4KHD5, 4KHD6, 4KHE4, 4KHE5, 4KHE6, 4KHE7, Product Type Spline Coupling