Kufotokozera:
Zofunika:High Speed Steel, Carbon Steel Mtundu wa Point:Brad Point Mtundu wa Shank:Kuzungulira Kukula:3-13 mm
Zofunika:High Carbon Steel Mtundu wa Point:Normal Spade, Tri-Point Mtundu wa Shank:Hexagon Kukula:6-40mm, 1/4″~1-9/16″