You'd use this to cover the top of your 1/4" Hex Impact Driver. It's made out of rubber and simply slides over the top to provide protection from corrosive materials. It is form-fitted and slides snugly over the top of the tool. 

Specifications

• Height: 2.4 in
• Length: 4.5 in
• Width: 2.3 in
• Material: Rubber
• Color: Black
• SKU: 49-16-3453

Milwaukee Tools do not qualify for 10% Hex Plus discounts. However, Milwaukee does qualify for Hex Plus free shipping.