3849b6c8__and_Decker_Drill____GICL_Wiki__Reason_for_Material_Selection
[Part Name] Outside Cover [Quantity] 2 [Model Number] 2005 22-47 [Description] Contains air vents. Has a rubber grip and is red and black in color. [Function] Covers drill mechanism. [Material] Plastic [Reason for Appearance] It is highly visible, with and attractive color scheme. It's ergonomically designed for support use. [Manufacturing Process] Injection Molding [Reason for Material Selection] 
It is inexpensive, durable, and light weight. While also providing insulation.
Difference between revisions of "Group 12 - Black and Decker Drill" - GICL Wiki