3849b6c8__and_Decker_Drill____GICL_Wiki__Reason_for_Material_Selection
[Part Name] Retainer Clip [Quantity] 1 [Description] It is black in color, 1/32 inch think with an outer diameter of 13/32. It is 'c' shaped with indentions on the side. [Function] Holds components on to motor shaft [Material] Steel [Reason for Appearance] Effective design [Manufacturing Process] Sheet Metal Forming [Reason for Material Selection] 
High strength and rigid
Difference between revisions of "Group 12 - Black and Decker Drill" - GICL Wiki