Quantity: 15pcs. Can work well with electric drill and drill bench. Size: 6mm, 8mm, 10mm, 12mm, 13mm, 14mm, 16mm, 18mm, 19mm, 20mm, 22mm, 24mm, 25mm. 1 x Hex Key. There are 13 different sizes of drill bits that you can use for different purposes.
eBay