[THE PERFECT PROTECTION FOR THE TRAIL PIN] Irritated by a difficult to attach and remove pintle hook cover? With this rubber cover you can protect your coupling shaft against rust and abrasion. [HIGH QUALITY HANCE PROTECTION] Durable ABS plastic that won't break - the cover of the hitch ball also doubles as a small bumper when parking. [EASY TO USE] Fits the shape of most trailer hitch bolt hits - protecting your the trailer ball sits firmly and does not wobble. [DO NOT SEE] Replace your hitch cover - with our hitch cover with ring you have an impact resistant version, which will not be lost. [DELIVERY] 2 x black plastic protective caps for ball hooks, with retaining ring, for all ball hooks up to 50 mm in diameter.