330003-17 Compatible con los siguientes modelosPorter Cable2620 Electric Drill2621 Electric Drill635 Type 1 Electric Drill635 Type 2 Electric Drill635 Type 3 Electric Drill7551 Electric Drill7556 Type 1 Electric Drill7556 Type 2 Electric Drill7556 Type 3 Electric Drill7556 Type 4 Electric Drill7556 ..