Ideal where there is no gripping surface for the puller alone. Plate is attached to item being pulled - with puller clamped behind the plate. Plate allows pulling action where space does not allow for puller accessories. Includes 4 each of the following screws: 1/4 - 20 x 3/4 and 1/4 - 28 x 1. Plate diameter is 3 5/8.