UA 70/80 THINNER - Eraser

The UTSUMI UA 70/80 Thinner, known as the “Eraser”, is a specialised professional thinning shear designed to remove visible scissor and clipper marks and create an exceptionally smooth, natural finish in the coat. With 80 teeth and a 45% cut ratio, it removes just enough hair per pass to blend seamlessly — without over-thinning.

Who Is the UA 70/80 Eraser Best For?

• Show and competition groomers who need a flawless, mark-free finish
• Groomers finishing Poodles, Bichons, and Doodles where scissor lines must be invisible
• Any groomer who uses clippers and needs to blend clipper lines into scissored areas
• Groomers working on fine, silky coats — Yorkies, Maltese, Spaniels — where over-thinning is a risk

Key Features

• 80 teeth, 45% cut ratio — removes enough to blend, not enough to over-thin
• 7" blade length — excellent reach for body and leg blending
• Designed specifically to erase scissor and clipper marks
• Made in Japan from quality Japanese steel
• Smooth, consistent cutting action

Best Breeds & Coat Types

• Poodles — blending body lines and removing clipper marks on the face and feet
• Bichon Frise — finishing the round head and body without visible lines
• Doodles — blending scissored and clipped areas on wavy and curly coats
• Spaniels — softening transitions between body and leg furnishings
• Yorkies & Maltese — finishing silky coats without removing too much volume
• Any breed where a natural, hand-finished look is the goal

Thinning Ratio Explained

The UA 70/80 has 80 teeth with a 45% cut ratio — meaning 45% of the hair in each pass is cut. This sits in the mid-to-high range, making it a finishing and blending tool rather than a bulk-removal thinner. Read our full guide to choosing the right thinning ratio.

Frequently Asked Questions

What’s the difference between the UA 70/80 and the PA30-2?

The PA30-2 has 38 teeth with a 30% cut ratio — it removes more hair per pass and is designed for bulk removal and texturising. The UA 70/80 has 80 teeth with a 45% cut ratio and is designed for finishing and blending. Most professional groomers use both: the PA30-2 for shaping and the UA 70/80 for finishing.

Can I use the Eraser on thick, double coats?

The UA 70/80 is a finishing tool — for bulk removal on thick coats, use the PA30-2 Speedy 2 first, then finish with the Eraser.

How do I care for my thinning shears?

Oil the pivot after each session with UTSUMI Mineral Shear Oil, wipe blades clean after every groom, and store in a protective case.