Understanding Blade Sizes: Does a #7 or #10 Blade Cut Shorter?
When grooming your dog, selecting the correct clipper blade is essential for achieving the desired length and style. Blade numbers can be confusing at first, but understanding their system is key to a successful and safe grooming session. This article explains the difference between #7 and #10 blades and how they affect the length of your dog’s trim.
How Blade Numbers Work
In grooming, the general rule is: the higher the blade number, the shorter the cut. Each blade has teeth set to cut hair at a specific length:
- #7 blade generally cuts hair to about 1/8" (3.2 mm)
- #10 blade cuts hair to about 1/16" (1.6 mm)
That means a #10 blade gives a significantly shorter trim compared to a #7 blade, making it ideal for areas requiring close grooming such as around the ears, paws, and sanitary areas.
Choosing Between #7 and #10
The decision depends on your dog’s coat type, comfort needs, and grooming goals:
- #7 blades are ideal for removing dense, matted coats or for general grooming on dogs with thicker fur. They leave a fuller coat than #10s.
- #10 blades are often used for sanitary trims, paw pads, and fine detailing work. They cut very close, reducing the risk of matting in tight areas.
When used improperly or on sensitive skin, the #10 blade’s close cut may increase the risk of clipper burns or nicks, especially on delicate areas. To prevent this, use light pressure and keep blades moving steadily.
Breed-Specific Considerations
Different dog breeds require different grooming styles. Here are some guidelines:
- Poodles and Schnauzers: #10 blades are used for faces and feet due to their precision.
- Golden Retrievers and Shih Tzus: A #7 blade might be more appropriate for body grooming, maintaining some coat length while eliminating tangles.
- Terriers: Often require both blades, with a #7 for trunk areas and #10 for detailed trimming.
Proper Clipper Use and Blade Maintenance
No matter which blade you use, ensuring your equipment is functioning optimally is vital. Proper maintenance not only safeguards your dog’s skin but also prolongs clipper life. Here are some tips:
- Oil blades before, during, and after use. This reduces friction and prevents overheating.
- Clean blades regularly to remove hair and dander. Avoid water; use cleaning spray or clipper oil instead.
- Keep blades sharp. Dull blades tug the hair, causing discomfort and uneven results. Use professional sharpening when needed.
- Monitor clipper temperature. Overheating can burn your pet's skin. Let them cool and use coolant spray if necessary.
Tips for Safe Grooming
- Brush and detangle the coat thoroughly before clipping.
- Always clip in the direction of hair growth for a smoother finish.
- Work on a non-slip surface in a well-lit area to maintain control.
- Trim sensitive areas last, using calming techniques and treats.
Understanding your clipper blades helps in achieving the ideal grooming result for your dog’s health and appearance. For most body trims where moderate coat length is desired, a #7 blade suffices. When precise or hygienic grooming is needed, reach for the #10. Whichever you choose, approach grooming with patience, safety, and the right technique.





