RolTine 2.0 - A Coin-Sized Titanium Tape Measure and Fidget Tool

I've always thought a tape measure is the thing you never have on you when you need it, but shrink it down to the size of a coin and the story changes. RolTine 2.0 is a tape measure machined from titanium so you can carry it in your pocket. It's also built to be fun to spin in your hand.

---

📊 Quick Info

Item	Details
Brand	COMANDI-Corres
Price	About $75 on Kickstarter (listed retail $130, subject to change)
Size	46mm diameter, 18mm thick
Material	Grade 5 titanium (Ti-6Al-4V)
Key Features	150cm auto-retracting tape, rolling wheel for measuring curves (150mm circumference), N52 magnet
Options	Tritium vials (6 colors, optional)
One-Line Verdict	⭐⭐⭐⭐☆ A small tape measure that's satisfying to handle

---

✨ 3-Line Summary

• 👍 Biggest strength: A 150cm tape and a curve-measuring wheel fit into a coin-sized body
• 👎 Downside: At 150cm, the tape is too short for larger jobs
• 🎯 Recommended for: Fans of titanium, minimalist EDC, and fidget tools

---

📸 Product Tour

The rolling wheel and markings on the front. In hand, it's a little larger than a coin

A size comparison resting on a palm

Pulling out the tape to measure a straight length

---

🔍 Why It Caught My Eye

Small enough to carry everywhere

At 46mm in diameter, it fits in a coin pocket. I often want to measure furniture or door frame dimensions on the spot in a store, and this seems genuinely useful for that.

A rolling wheel for curves

The front wheel has a fixed circumference of 150mm, so you can roll it along a curved surface to measure its length. It fills the gap where an ordinary tape measure struggles.

The fun of handling it

The bearing-equipped wheel reportedly spins smoothly under your finger. I like that it doubles as a fidget toy as well as a tape measure.

---

🤔 What Gives Me Pause

It's still crowdfunding

It's a Kickstarter campaign, so the shipping schedule and final quality need to be confirmed.

Tape length and accuracy

150cm is plenty for everyday use but short for bigger jobs. With such a tiny tape measure, accuracy tolerances are something I'd only know from real reviews.

Buying in Korea

I couldn't find it through domestic retailers like Coupang. Backing it from overseas or using a proxy service is probably necessary.

---

📋 Product Features (Subjective Ratings)

• Design: ⭐⭐⭐⭐⭐
• Portability: ⭐⭐⭐⭐⭐
• Practicality: ⭐⭐⭐☆☆
• Value for money: ⭐⭐⭐☆☆ (pricey at the listed retail, so I'd want to see reviews first)

---

🛒 Pre-Purchase Checklist

✅ Recommended for

• People who collect titanium EDC pieces
• People who often measure curved lengths
• People who like fidget tools to play with

❌ Not recommended for

• People who often need to measure long distances
• People for whom value for money matters most

---

🎯 Final Verdict

RolTine 2.0 appeals less for the practicality of a tape measure than for being a tape measure you can actually carry everywhere. The titanium construction and rolling wheel turn it into a tool that lives in your pocket rather than your bag.

That said, the price isn't low and it's still at the funding stage, so I'd like to see its real-world accuracy and finish before deciding. As an EDC tool, it suits my taste quite well.

---

Source: Yanko Design product page · Kickstarter campaign