G-Core Elbow ensures accurate flange-to-elbow alignment for efficient pipe installation.
G-ROCKER CHAIN CLAMP
Heavy-Duty Swivel Chain Clamp – Single & Double Chain Compatible
The G-Rocker Clamp is an ultra-strong chain clamping system designed for fast, secure alignment of pipes with wall thicknesses up to 20 mm. Compatible with both single and double chain configurations, this swivel-style clamp ensures reliable, precise positioning before welding. Built to endure rugged environments, it’s a dependable solution for pipe fitters working with large diameter pipes.
Single Chain
| PART NO. | DESCRIPTION | CLAMPING RANGE | NUMBER OF JACK BARS | WEIGHT | ||
|---|---|---|---|---|---|---|
| MM | INCH | KG | LBS | |||
| G1240-1 | SINGLE CHAIN CLAMP | 203 – 254 | 8 – 10 | 5 | 8.3 | 18 |
| G1240-2 | 203 – 304 | 8 – 12 | 6 | 9.5 | 21 | |
| G1240-3 | 203 – 406 | 8 – 16 | 7 | 10.6 | 23 | |
| G1240-4 | 203 – 508 | 8 – 20 | 9 | 13 | 28.5 | |
| G1240-5 | 203 – 609 | 8 – 24 | 11 | 15.3 | 33.7 | |
| G1240-6 | 203 – 711 | 8 – 28 | 13 | 17.7 | 39 | |
| G1240-7 | 203 – 812 | 8 – 32 | 14 | 18.8 | 41.5 | |
| G1240-8 | 203 – 914 | 8 – 36 | 16 | 21.2 | 46.5 | |
| G1240-9 | 203 – 1016 | 8 – 40 | 18 | 23.5 | 52 | |
| G1240-10 | 203 – 1117 | 8 – 44 | 19 | 24.7 | 54.5 | |
| G1240-11 | 203 – 1219 | 8 – 48 | 21 | 27 | 60 | |
| G1240-12 | 203 – 1320 | 8 – 52 | 23 | 29.4 | 65 | |
| G1240-13 | 203 – 1422 | 8 – 56 | 25 | 31.7 | 70 | |
| G1240-14 | 203 – 1524 | 8 – 60 | 26 | 32.9 | 72.5 | |
Double Chain
| PART NO. | DESCRIPTION | CLAMPING RANGE | NUMBER OF JACK BARS | WEIGHT | ||
|---|---|---|---|---|---|---|
| MM | INCH | KG | LBS | |||
| G1241-1 | DOUBLE CHAIN CLAMP | 203 – 304 | 8-12 | 6 | 19.3 | 42.5 |
| G1241-2 | 203 – 406 | 8-16 | 7 | 20.9 | 46 | |
| G1241-3 | 203 – 508 | 8-20 | 9 | 24.0 | 53 | |
| G1241-4 | 203 – 609 | 8-24 | 11 | 27.2 | 60 | |
| G1241-5 | 203 – 711 | 8-28 | 13 | 30.4 | 67 | |
| G1241-6 | 203 – 812 | 8-32 | 14 | 32.0 | 70.5 | |
| G1241-7 | 203 – 914 | 8-36 | 16 | 35.2 | 77.5 | |
| G1241-8 | 203 – 1016 | 8-40 | 18 | 38.4 | 84.5 | |
| G1241-9 | 203 – 1117 | 8-44 | 19 | 40.0 | 88 | |
| G1241-10 | 203 – 1219 | 8-48 | 21 | 43.1 | 95 | |
| G1241-11 | 203 – 1320 | 8-52 | 23 | 46.3 | 102 | |
| G1241-12 | 203 – 1422 | 8-56 | 25 | 49.5 | 109 | |
| G1241-13 | 203 – 1524 | 8-60 | 26 | 51.1 | 112 | |
Accessories for Chain Clamps
| PART NO. | DESCRIPTION | WEIGHT | |
|---|---|---|---|
| KG | LBS | ||
| G1240 | SWIVEL FOR SINGLE CHAIN | 2.2 | 4 |
| G1241 | SWIVEL FOR DOUBLE CHAIN | 11 | 24 |
| G1242 | SINGLE JACK BAR | 0.8 | 1.7 |
| G1243 | DOUBLE JACK BAR | 0.9 | 1.9 |
| G1244 | 2-LINK CHAIN | 0.2 | 0.4 |
| G1245 | 3-LINK CHAIN | 0.3 | 0.6 |
How We Build Quality ?
Precision Engineering
Every tool is designed using advanced CAD systems and tested for dimensional accuracy and performance.
Industrial-Grade Materials
We use only high-strength steels and premium components to ensure durability and long-term reliability.
Field-Tested Designs
Products are developed and refined based on real-world input from welding and fabrication professionals.
Strict Quality Control
Each unit undergoes multi-stage inspection to meet international safety and performance standards.
Continuous Innovation
We invest in ongoing research and development to evolve our tools for greater safety, speed, performance, and long-term efficiency.
Competitive Pricing
We offer premium-quality tools at fair and transparent prices, ensuring you get the best value without compromising on performance or durability.
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G-FORCE SS CLAMP
G-Force Clamp ensures accurate pipe centering and alignment during welding.
Frequently Asked Questions About Our Tools
What makes Grand Tools different from other fabrication tool brands?
We deliver competitive pricing without compromising quality. Every tool is built for
durability, safety, and ease of use, making us the best value choice in the market.
Are Grand Tools products CE certified?
Yes. Our products comply with applicable EU directives and standards, ensuring safety
and reliability for industrial use.
Which industries use Grand Tools?
Our jacks, clamps, and handling equipment trusted across manufacturing, construction,
automotive, oil & gas, fabrication, and heavy engineering industries.
Can I get customized solutions?
Yes — Feel free to contact us, we offer tailored solutions to meet specific project and
operational needs.
Do you offer tools for both workshop and field use?
Absolutely. Our lineup includes portable, foldable, and heavy-duty tools designed to
perform both in the workshop and on remote job sites.
Do you ship internationally?
Yes, we work with our global partners to provide engineering solutions to our customers.
Contact us for more information.