3M Hookit Film Disc 360L P600 5″ (127 mm) #55721 100-Pk Hook & Loop Discs

We have not cleaned or refurbished this item in any way, as we leave that decision up to the eventual buyer. We test used items before we list and before we ship to make sure you are getting a high quality and functional tool. Sold with the Tucson Tool Shop 30 Day guarantee! Please check our thousands of positive reviews. We are a brick and mortar store located in Tucson, AZ continuing the legacy of a business that has been around since 1978. We strive to keep all of our customers happy. Customer service is job #1. If you have any questions about this or any item we have listed please do not hesitate to contact us!

Most purchases ship out the same day as long as it is before 2pm AZ time or before the postal service does its pick up for the day. NO shipments go out on Sunday.

***BUY ALL 5 BOXES for $220***

We will issue refund of the $30 difference.

Brand: 3M

Product Line / Series: Hookit™ Film Disc 360L

Part Number / MPN: 55721 (also shows as UPC 00051111557211) 

Size / Dimensions: 5-inch (127 mm) diameter disc 

Grit / Grade: P600 extra fine abrasive 

Backing & Material: Aluminum oxide abrasive on a film backing (durable, tear-resistant) with hook-and-loop (“Hookit”) attachment. 

Max RPM / Speed Rating: Up to 12,000 RPM (depending on machine / tool) 

Pack / Quantity Info: As shown: box-pack quantity (you can state quantity you have) – note typical industrial packaging is 100 discs per inner, 500 per case. 

Condition:

[Insert your specifics: e.g., “New, factory-sealed box of 100 discs” or “Opened box, full 100 discs present, great condition” or “Used/partial, X discs remaining – please review photos.”]

Usage / Application:

• Designed for fine sanding and finishing on plastics, gel coats, polyurethane solid surfaces, composites, etc. 

• Ideal for automotive body shop work (spot repair, primer sanding, feathering), fiberglass/marine, solid surface manufacturing, and more.

• Hook-and-loop backing allows quick disc changes and reuse until wear.

Why this product is great:

• The film backing gives better dimensional stability and consistency compared to paper-backed discs. 

• Aluminum oxide abrasive offers a fast cut and long life. 

• Open coat construction helps reduce loading (clogging) and keeps performance high. 

What’s Included:

• (e.g.) One unopened box containing 100 discs of 3M Hookit Film Disc 360L, P600 grade, 5″ diameter, part #55721.