If you are looking for a set of twist drill bits with high quality, this one is really a good choice.

Features:
Straight round shank.
Drill hole quickly and nicely.
High-speed steel, high quality with good durability.
Including 29pcs drills in different sizes, which meet your different needs perfectly.
Suitable for iron plate, steel plate, aluminum, copper, plastic, wood drilling, etc.
Come with a metal case to carry drills.

Specifications:
Material: HSS 4341
Quantity: 29pcs
Drill Size: 1/2, 31/64, 15/32, 29/64, 7/16, 27/64, 13/32, 25/64, 3/8, 23/64, 11/32, 21/64, 5/16, 19/64, 9/32, 17/64, 1/4, 15/64, 7/32, 13/64, 3/16, 11/64, 5/32, 9/64, 1/8, 7/64, 3/32, 5/64, 1/16"
Package Size: 18.5 * 10.5 * 5cm / 7.28 * 4.13 * 1.97in
Package Weight: 1244g / 43.9oz

Package List:
29 * Drills
1 * Metal Case