What about the product?

These are good general purpose drills and are advertised as being for hard metal. That is generally true although I have broken some while trying to drill out a lock on a door that was sabotaged by a tenant on a rental property. Most of the time they will drill through hard metal although using a lubricant will help extend their life

I have a very dense hard brick and i've used milwaukee titanium bits that all break. should i use the cobalt or is there something better?

You would use a masonry bit for drilling brick.

What are the sizes of the bits? It's hard to see the ones behind, on the picture.

The bit sizes are as follows (all units are in inches): 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.

ASIN	B073R8T8QH
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#82,823 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #23 in Brad-Point Drill Bits
Brand	Milwaukee
Color	Red
Customer Reviews	4.8 4.8 out of 5 stars (138)
Cutting Angle String	35, 15 Degrees
Date First Available	November 8, 2017
Finish	cobalt
Finish Type	cobalt
Global Trade Identification Number	00045242188475
Included Components	Drill Bits & Accessories, Masonry Drill Bit Set, Power Tool Accessories
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	3 pounds
Item dimensions L x W x H	10 x 10 x 3 inches
Item model number	48-89-2332
Manufacturer	Milwaukee Electric Tools
Material	Cobalt
Measurement System	Metric
Number of Flutes	1
Number of Pieces	29
Part Number	48-89-2332
Pattern	QUAD EDGE and VARIABLE HELIX
Point Style	brad point,center point
Product Dimensions	10 x 10 x 3 inches
Set Name	Milwaukee 48-89-2332 RED HELIX Cobalt Drill Bit Set - 29PC
Shank Type	3-Flat
Size	10x10x3 inches
Style	Red Helix
Surface Recommendation	Metal, Wood
Tool Flute Type	Straight
UPC	045242188475
Unit Count	1.0 Count

Milwaukee Electric Tools 48-89-2332 29Pc Cobalt Helix Drill Bit Set, Red

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