[Part Name] Cord protector [Description] The cord protector acts as insulation [Manufacturing] Flexible plastic molding is used [Reason for Using Materials] The PVC used is flexible to allow free movement of the wire and the tool [Forces Applied] None [Functional/Cosmetic] this part is functional [Quantity] 1 [Complexity] 1 [Reason for Shape] 
The shape is slightly conical to fit snugly onto the tool