Where can I find Replacement blades?

they are sold on Amazon: Roberts Carpet Tools Heavy Duty Blue Slotted Blades 10-436

Will the knife cut through a rug that has a backing ?

Definitely. You willNeed something to put underneath the rug because you will need to press hard. If the backing is hard plastic, it may not workBut all fabric and thick padding wasSimple for me

How do you get the blade to come out

You cannot get the blade to "come out". To install/change blades: Hold the knife body with the "d-ring" facing you, loosen the screw until you can access the blade and blade compartment, insert new blade... reverse procedure to close the knife body and secure the blade in place.

Removed blades from handle, but storage lid will not screw back on securely and blade is not secure. Cannot be used unless lid is secure. Help!

Once the knife is loose and in two pieces. To close slide the handle blade end down and into . Closes like a clam shell, then tighten.

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⚡ Cut like a pro, glide like a boss.

NON SLIP STABILITY - Heavy-duty rubber pads and rubber-padded aluminum breaker bar keep tiles secure without damage.
ERGONOMIC COMFORT GRIP - Extra-long handle with removable tip stores spare cutting wheels for on-the-go readiness.
SMOOTH GLIDE TECHNOLOGY - Dual chrome-plated steel rails with bumpers ensure effortless, consistent cuts every time.
PRECISION CUTTING MASTERY - Scores and snaps tiles up to 20" and 1/2" thick with unmatched accuracy.
UNIVERSAL MEASUREMENT GUIDE - Adjustable guide featuring both U.S. standard and metric scales for versatile, fast rip and diagonal cuts.

The Q.E.P. Roberts10-220 Cardinal Carpet Knife is a precision tile cutter designed for ceramic and porcelain tiles up to 20" in length and 1/2" thick. Featuring dual chrome-plated steel rails for smooth operation, a titanium-coated tungsten carbide cutting wheel for durability, and an ergonomic handle with built-in storage, it combines professional-grade performance with user-friendly design. Its adjustable measurement guide and non-slip rubber pads ensure fast, accurate cuts without damaging tiles, making it an essential tool for serious tile installers and DIY pros alike.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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Manufacturer	GDM
Material	Aluminum
Item Weight	0.14 Kilograms
Product Dimensions	6.35 x 17.78 x 52.71 cm; 140 g
Package Weight	0.15 Kilograms
Batteries Required	No
Batteries Included	No

Q.E.P. / Roberts10-220Cardinal Carpet Knife-CARDINAL CARPET KNIFE

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