Step Drills Double Groove Countersink Drill High Speed Steel Cone Drill for Steel Wood, Plastic, Brass, Aluminum 3 pcs SATA Power Splitter Cable micro bubbles for clean rinsing

micro bubbles for clean rinsing and a transparent housing for fashionable elegance

and 100% eco-friendly and harmless to skinPerfect Size: NO PILLOW INSERT

Material: High-grade waterproof plastic

making it easy to carry anywhere

Step Drills Double Groove Countersink Drill High Speed Steel Cone Drill for Steel Wood, Plastic, Brass, Aluminum 3 pcs SATA Power Splitter Cable micro bubbles for clean rinsingHigh Quality: The step drill set is made of high speed steel and with titanium coating to reduce friction and heat, has strong durability. Which is smoother and has no resistance than straight groove step drills and chip removal is faster. Step Design: The hexagonal shank taper drill set adopts step cutting design which makes the cutting faster and smoother, which not only increases the cutting speed but also prevents the spiral step drill from