Features: 1.Fittment:Fit for Ingersoll Rand 3/8" Ultra Duty Impact Wrench IR2112 and IR2115 Series. 2.Material:Made form high standard carbon steel which can withstand corrosion, rust and impact, comes with high standard rubber o-ring and high standard steel Retainer Clip, ensures an unparalleled long lifespan. 3.Function:Solve the problem that the sleeve always falls off the impact gun during work. Reduce the continuous frustration of the sleeve falling off. Make your work smoother and easier, and reduce expensive maintenance costs. 4.Included:1 new replacement anvil (2.79”), and comes with 1 x O-ring and 1 x retainer clip. Descriptions: .