This a replacement pivot shaft for the Ookami Gold® Convexing Clamp. It includes the shaft with nylon washer, E-ring, and C-washer. This part is only compatible with the convexing clamp and will not work with any of the other shear clamps. Please take note of the picture to make sure you are ordering the correct part. This listing is for the pivot shaft, nylon washer, E-ring, and C-washer only.