Wolf Head Trailer Hitch Cover To protect your trailer hitch ball... and your shins, we are pleased to offer this wolf ball cover This cover will fit 1-7/8" and 2" diameter hitch balls Made of a durable rubber this is sure to last you a long time The cover measures approximately 4-1/4" x 3 This sale is for ONE WOLF HITCH BALL COVER only. Other pics shown for a sample of our Hitch Ball Covers in use