The RAP-B-202U-225 contains a 1" diameter rubber ball connected to a high strength composite rectangular plate with a 4-hole pattern of 1.5" x 2" center to center.
High Strength Composite
B Size 1" Rubber Ball
The "U" in the part number reflects product packaged in poly bag.
RAM® Composite Double Socket Swivel & Ratchet Arm with No Center Knob