What's in the box:

5PCS Step Drill Bit Set Multiple Hole Step Drill High Speed Steel Total 50 Sizes Drilling Tool with Aluminum Box (Black)

Features:
Made of high-quality high speed steel and Titanium coating, wear resistant, not easy to rust, has a long service life. hard and sharp enough to drill through wood, plastic, steel and sheet metal.
Type 118X opening design, effectively reduce drill slip.
Two-flute design provides faster, smoother and accurate cutting; Tri-flatted shank can be easily fit into power driver and drill.
Compatible with a variety of machines, used for most bench drill, electric hand drill, cordless drill and other models. Different specifications step drills can meet different drilling requirements.
Set with aluminum box includes: Bit #1 (6 steps): 3/16"-1/2"; Bit #2 (13 steps): 1/8"-1/2"; Bit #3 (9 steps): 1/4"-3/4"; Bit #4 (12 steps): 3/16"-7/8"; Bit #5 (10 steps): 1/4"- 1-3/8".
Warranty: If there are any problems, please contact our store in time. We will give you a satisfactory solution.

Specifications:
Item name: Step Drill
Material: High-speed steel 4241 and Titanium
Main Color: Black
Quantity: 5pcs
Product size: 3/16"-1/2"; 1/8"-1/2"; 1/4"-3/4"; 3/16"-7/8"; 1/4"- 1-3/8"
Package weight: 456g
Package size: 15.5*11.5*4.5cm

Note:
*There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding.

Package list:
1*Step drill bit set(5pcs)
1*Aluminum box