Side-by-side comparison based on expert reviews and community consensus.
Bosch MS4091 91-Piece Mixed Drilling & Driving Bit Set
Best Overall ValueLeatherman Bit Kit Set
Best Compact EDC Bit KitPrice
$25-$77
$20-$35
Summary
91 pieces covering drill bits, driver bits, nut setters, and masonry bits in a hard case — all from a top-tier brand. At $25 on sale, it's the most recommended drill bit set across deal communities and expert sources alike.
The go-to pocket bit kit for multitool users — covers Torx, Allen, Phillips, and square drive bits in a slim, portable sleeve. Reddit's r/EDC community unanimously recommends it for anyone who carries a Leatherman Surge or similar multitool.
Pros
- 91 pieces including titanium drill bits, rotary mason bits, insert bits, nut setters, and bit holders
- Split drill bit tips reduce bit walking and provide fast, clean starts
- Drill bits work in wood, metal, and masonry
- Hard case provides secure, organized storage
- Bosch brand quality — designed to lessen damage to screw heads
- Covers Torx, Allen, Phillips, flathead, and square (Robertson) drive bits
- Slim flat form factor fits in a Leatherman sheath or Skinth pocket organizer
- Compatible with Leatherman bit extender for added reach
- Saves trips back to the tool bag for quick 2-minute jobs on site
- Highly recommended by r/EDC community for electricians and tradespeople
Cons
- Regular price (~$44-$77) is steep — best purchased on sale
- Not a dedicated set for any single material type (jack of all trades)
- Some users report they already have too many bits and don't need more variety
- Flat bits are not as strong as standard 3D hex shank bits
- Not suitable as a replacement for a full drill bit set
- Best value only if you already own a Leatherman multitool with bit adapter
Our take
This is the drill bit set to buy. Over 13,000 Amazon reviews at 4.6 stars, 130+ Slickdeals upvotes, and CNET endorsement — the consensus is overwhelming. You'll never need another set for general home use.
This isn't a traditional drill bit set, but if you carry a multitool daily, the Leatherman Bit Kit is the upgrade that makes it actually useful on a job site. Electricians and tradespeople on Reddit swear by it for quick fixes without a trip back to the tool bag.
Buy
