Big and powerful 3/8th" in diameter steel shafts make these tools perfect for aluminum. The set includes 12", 18", 24" length for both  right and left angles. It also includes 1-36" and 1-48" straight rods. These shafts are shaved for over brace access.   The tips are sharp and precisely angle to catch and work the metal avoiding rollovers.   Plus, the outer edge of the blade is sharp to cut through glue. All AK38s can be purchased individually by choosing option below.