





📐 Nail every line like a pro — because precision is your signature move.
The IRWIN STRAIT-LINE Chalk Line features a 100 ft abrasion-resistant poly line capable of 5-6 strikes per pull, housed in a durable aluminum casing with a steel handle. Its nested hook dock reduces snags, while a wide chalk refill door and slim ergonomic design enhance usability and comfort. Ideal for carpentry and drywall pros seeking reliable, precise layout tools.

| ASIN | B0BWL62GNJ |
| Best Sellers Rank | #4,522 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Measuring & Layout Chalk Lines |
| Brand | IRWIN |
| Closure | hook |
| Color | Blue |
| Customer Reviews | 4.5 4.5 out of 5 stars (3,836) |
| Date First Available | February 22, 2023 |
| Grip Type | Knurled |
| Ink Color | Blue |
| Is Discontinued By Manufacturer | No |
| Item Weight | 13.4 ounces |
| Item model number | IWHT48441BC |
| Line Size | 0.3mm |
| Manufacturer | IRWIN |
| Manufacturer Part Number | IWHT48441BC |
| Material Type | Plastic |
| Number of Items | 1 |
| Point Type | Fine |
| Product Dimensions | 6.5 x 2.2 x 6.7 inches |
| Shape | Rectangular |
| Size | 1 Count (Pack of 1) |
J**R
A Solid Must Have
So far, so good. For some reason, I kept putting off getting a chalk line because I didn’t think I really needed one, but I’m glad I finally did. This chalk line has come in handy, allowing me to make straighter cuts with my circular saw, especially the long cuts. It’s really nice to have a solid, straight line all the way across whatever you’re cutting. The chalk bottle did come about halfway full, but I didn’t mind since chalk is relatively cheap to buy. The tip stuck nicely to the plywood I was cutting, and I experienced zero problems while using it.
S**Y
Easy and Accurate
Works so easily. Just fill it with the provided powder, pull out the string over the area wanting to mark, and pluck it so it hits the area. Well made
A**R
Very good product, arrived on time, satisfied
Very good product, arrived on time, satisfied
L**S
Good price
Works good. Included chalk too.
B**M
Works well
Nice Chalk line. I have needed one for a while. It holds quite a bit of chalk and seems pretty durable. Blue chalk is what I've always seens used so not sure about color variety! lol
A**.
Chalk it up
I am a beginner builder, well, let be honest......I don't build anything. But here I am taking on a chicken coop biukd like she-woman. So, no surprise I can't draw or measure a straight line to save my life. Nor do I have the tools or equipment required. Insert the chalk line. It was delivered the next day, was easy to fill, worked great, nice blue line, not leakage and should be useful around here. Great price.
D**B
It is marginally effective
Doesn't work as well as I wanted. It takes a lot of chalk to get it loaded. It's awkward to pull because the handle gets blocked by your hand unless you hold it just right. It does not pull very smoothly but it does wind back up manually pretty well. It doesn't snap very strongly to get a good line. The goal is a straight line and with 2 people , you can likely get that.
C**R
Works great
Works great. Need to run it out a few times then refill the chalk.
G**A
Indispensable en el trabajo
S**N
I just needed a straight line for planting trees. I guess this has a few uses.
S**Z
Muy buena calidad
Trustpilot
2 weeks ago
2 weeks ago