Still wrapped up. This is for a heave truck application. NOT A 1” ARBOR. below is a list of what’s included. T 1 Spring 45500. S 1 Centering Cone 2.156” x 3.375” (54.76 x 85.72mm) 45930. R 2 Double Tapered Collet 3.203” x 3.560” (81.36 x 90.42mm) 45052.