What's in the box:

KKmoon 50 Sizes HSS Step Drill Bit Set with Automatic Center Punch and Aluminum Case Multiple Hole Titanium Straight Grooved Step Drill for Metal Wood Plastic Sheet (5pcs) (Standard)

Specification:
Material: High-Speed Steel + Titanium Coating
Color: Blue + Sliver
Step Size: 3/8in shank: 1/4in - 1-3/8in
3/8in shank: 3/16in - 7/8in
3/8in shank: 1/4in - 3/4in
1/4in shank: 1/8in - 1/2in
1/4in shank: 3/16in - 1/2in
Shank Length: 25mm/1in
Center Punch Length: 130mm/5.1in
Case Size: 150*140*40mm/5.9*5.5*1.6in

Packing List:
5 * Step Drill Bits
1 * Automatic Center Punch