Cobra MT40VXGT 40V MAX+ Lithium-Ion Multi Tool Grass Trimmer Head
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The MT40VXGT grass trimmer attachment is the perfect companion to the Cobra MT40VX power head, delivering a lightweight yet powerful solution for precise grass and edge trimming. Designed with ease of use and performance in mind, it features a generous 40cm cutting width, allowing you to cover more ground quickly and efficiently - ideal for both small gardens and larger outdoor spaces.
Equipped with a durable 2.3mm twist cutting line, it handles tough grass and light weeds with ease, while the bump feed head ensures fast, hassle-free line advancement with a simple tap to the ground. This makes it easy to keep working without frequent stops, saving time and effort during longer sessions.
NB: Power unit, battery and charger NOT INCLUDED.
Cobra’s 40V cordless machines have evolved .... introducing the 40V MAX+ lithium-ion battery system, the ultimate solution for power, convenience and eco-friendly gardening.
The Cobra 40V MAX+ batteries are a step ahead of the competition in terms of technology and innovation. This advanced intelligent battery technology manages power efficiency to deliver optimal performance and longer run time. Build directly into the battery pack, this smart system allows the battery to recognise the specific Cobra tool it is being used with, automatically optimising output for peack efficiency.
The 40V MAX+ batteries offer several advantages: one battery fits all 40V MAX+ tools, they deliver high-performance power, run longer, and recharge faster. This advanced lithium-ion technology powers a comprehensive range of garden tools, including lawn mowers, strimmers, blowers, chainsaws, and a versatile multi tool.
With Cobra’s 40V MAX+ battery system, you can enjoy long-lasting power and quick recharging, making your gardening experience a pleasure.
One battery, endless potential. Future-ready power, today.
BATTERY COMPATIBILITY
This attachment is exclusively compatible with Cobra's 2nd Generation 40V MAX+ range introduced in 2025.
Tools, batteries and chargers from Cobra's 1st Generation 40V Original range are NOT compatible with the 2nd Generation 40V MAX+ range.
| Brand | Cobra |
|---|---|
| Power Source Compatibility | MT40VX |
| Cutting Diameter | 40.6cm |
| Cutting Speed | 3700-6000rpm |
| Line Head | Dual twist nylon line |
| Line Feed | Bump |
| Line Diameter | 2.3mm |
| Weight | 5.1kg |
| Sound and Noise Data | Sound pressure level at operator's ear: 81.3dB(A) / Measured sound power level: 93.33dB(A) / Guaranteed sound pressure level: 96dB(A) |
| Vibration Level Data | 2.64m/s² |
| Global Trade Item Number | 505548503960 |
| Warranty | Manufacturer's - 2 years for domestic use |
| Promotional Image | /c/o/cobra-40v-max-lithium-ion_6_1.jpg |
Easy-fit attachmentsOne of the standout features of the Cobra multi tool system is how quick and simple it is to attach accessories. To fit the grass trimmer, just press the button on the shaft of the power head, slide the attachment in, listen for the reassuring "click" to confirm it's securely in place, then tighten the adjustment knob - and you're ready to start cutting. Swapping between attachments is just as fast, making it easy to adapt the tool for different garden tasks. |
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40cm working widthTackle more ground in less time with the Cobra MT40VXGT grass trimmer attachment, designed for use with the Cobra MT40VX 40V Max+ multi tool. Featuring an impressive 40cm cutting width, this attachment allows for faster, more efficient trimming - ideal for covering large areas and reducing job time. Whether you're edging lawns or clearing around trees and borders, the wide cutting path ensures clean, consistent results with fewer passes. |
Bump feed line headDesigned for the Cobra MT40VX, this attachment features a 40cm cutting width for fast, efficient trimming. It uses a 2.3mm twisted nylon line for clean, powerful cuts and includes a bump feed head for quick, on-the-go line release. A built-in safety guard offers added protection and precision around edges, trees, and fences. Perfect for keeping lawns neat and tackling overgrown areas with ease. |
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ABOUT COBRA GARDEN.....

Cobra Garden - The Most Comprehensive Range of Garden Machinery in the UK
Cobra garden machinery was launched in the United Kingdom in 2013 and is supported by Henton & Chattell Ltd, giving Cobra the benefit of over 90 years experience in the garden machinery and horticultural Industry.
The Cobra Garden range is constantly expanding and now consists of over 130 products to cover both your domestic and professional requirements. Cobra incorporates a comprehensive range of petrol, electric and cordless lawn mowers, hand-held machines and lawn care products. Cobra Garden products are available across the UK throughout a network of approved specialist dealers. As a Cobra Garden approved dealer, The Green Reaper has the knowledge and experience to help you purchase the correct Cobra Garden product for your requirements. We will also provide expert after-sales assistance if needed.
Cobra Garden’s philosophy is to remain true to its trusted values of innovation, quality, reliability, value and customer service. Cobra Garden works hard to ensure that the products and services on offer continue to be relevant to its customers.

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