左一材質: H.S.S  範圍: 4-18mm

Work best on External Shaft (銅管,白鐵)

左二材質: H.S.S  範圍:1-20mm

Countersink Blade (銅管,白鐵)

Work best on Holes angle 90^o

右一材質 : SUJ2

Work best on Bushing Scraping、Straight Edge、 Holes (銅管)

右二材質: SUJ2

Work best on steel,aluminum and plastic (銅管)

右三材質: H.S.S

Work best on brass and cast iron and stainless steel  (銅管,白鐵)

右四材質: SUJ2 

Countersink Blade, 範圍: 1-10.4mm 

Work best on Holes angle 90^o    (銅管)