3836B DRILL BIT 3/8 inch X 36 inch Bellhanger shaft Hss drill 3/8? X 36? X 1/4? BH shaft 0.51 lbs upc 769968238367Length 36 In - Cutting Edge 90 Degree - Designed For Making Holes And Fishing Wire For All Electrical - Security Alarm Systems - Structured Wire And Other Small Wire Installations - Hole Provided In Flute Connects Wire To Bit For Purposes Of Pulling Wire Through Walls - Carbide Tips Create Both Longer Life And Cleaner - Smoother Holes In All Types Of Material