




🔧 Score like a pro, rip like a boss — the RockRipper never quits!
The Johnson Level & Tool RTS24 RockRipper is a professional-grade drywall scoring square featuring a durable 24" extruded aluminum perforated blade and a high-impact Structo-Cast molded head. Its thermal-bonded black graduations provide easy readability in low light, while the ergonomic hand grip and board guide optimize workflow. Engineered to cut drywall scoring time in half, this tool is a must-have for efficient, precise drywall installation and rip cuts up to 24.75 inches.

















| ASIN | B0009H5P2C |
| Best Sellers Rank | #205,545 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #250 in Carpentry Squares |
| Brand Name | Johnson |
| Color | Orange |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,281) |
| Global Trade Identification Number | 00049448000036, 00410400000010 |
| Graduation Range | 1/16 Inches |
| Included Components | Johnson Level & Tool RTS24 RockRipper 24-Inch Drywall Scoring Square – Aluminum Blade T Square, Durable and Strong. Carpentry Tools |
| Item Dimensions L x W | 20"L x 2"W |
| Item Thickness | item_thickness.string_value Inches |
| Item Type Name | Johnson Level & Tool RTS24 RockRipper 24-Inch Drywall Scoring Square – Aluminum Blade T Square, Durable and Strong. Carpentry Tools |
| Item Weight | 1 Pounds |
| Manufacturer | Johnson Level & Tool |
| Material Type | Aluminum |
| Model | RTS24 |
| Part Number | RTS24 |
| Style Name | Square |
| UPC | 049448000036 410400000010 |
| Warranty Description | Warranty |
S**W
Best Drywall Tool
I never leave an Amazon review but this time I couldn't help myself. This tool is amazing!!! 10 stars if there was such a thing. It's cut my drywall scoring time in half, easily!! However this tool is best used for rip cuts. I used it on 4 x 12 sheets of 1/2" drywall and once I got the hang of it it it just got better. I started with a stack of 22 sheets on edge layed against a wall. I needed several sheets at 3 x 12. Grabbed the T square put my razor knife in the 12" hole and started scoring right to left. I'm right handed so that may not work best for others. After a few cuts I realized I wasted time by only scoring one side, snapping the drywall and then cutting the backing with an awkward reach under and around the waste piece. Its much easier to use this tool to score the front and back, then just snap it off in one junk. Way faster too!! Not really that good for cross-cuts but if you have a 4' drywall T-Square then you have what need. If I could add anything else it would be that the learning curve on this tool is really short and it will cut any dimension you desire up to 24.75 inches. Which means you can rip any width you want on 4" wide sheets. I might just buy a second one just in case this one breaks or my neighbor sees me use it and wants one for himself. Absolutely worth every penny!!
T**M
great upgrade for anybody doing drywall work
great square for drywall to make straight rips very easy to use
D**.
Drywall square
Works great I really appreciate the quality
N**.
works pretty well
All of the "Pros" on here complaining about this thing. If you are a beginner like me this thing was very helpful. The measurements are a little off compared to a tape measure. It got me close enough though. It makes quick straight cuts and thats why i bought it. Overall happy with the purchase.
N**R
Fantastic
Best drywall t-square I’ve ever used. Huge time saver and very accurate. Buy it
Q**N
Easy tools
Accurate measurements and cuts with ease very much enjoy the usefulness of this tool. Made tough good price point
D**1
Easy to use
Sturdy and ready to use out of box
E**S
Just as described
It was just what I expected
R**�
Most of the best and necessary tools to have when drywalling. Save you so much, quick and easy to use. Very accurate when properly use.
J**O
Para el drywall esta es un herramienta esencial y eficiente..
N**B
Awesome piece of kit, I wish I was able to get hold of one of these many years ago when I first started work. It's a brilliant tool that reduces time when marking or scribing sheet material
A**R
Nice bit of kit. Imperial scale only.
W**R
Awesome square . A must for quality drywall cuts.
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