The Mirka OS-150-001 OSP-1 Body Filler 2.75 x 8 Grip sheet is a sanding abrasive made for body filler work. This is a sandpaper sheet designed for sanding and shaping body filler during surface prep and repair. Model Number: OS-150-001. If you do automotive repair, panel prep, or any filler work where control matters more than brute removal, this format is built for that kind of job.

The 2.75 x 8 inch size is useful because it gives you a long contact patch across repair areas while still being easy to control by hand or with a sanding block. On filler, that matters. A sheet that is too small can leave you chasing low spots and high spots, while a longer sheet helps level the repair more evenly across the surface.

Mirka lists this as a grip sheet, which tells you it is built for quick attachment and removal in systems that use a grip-style backing. That helps when you are cycling through sheets during prep work and do not want to waste time fighting with adhesive-backed abrasives. In a body shop or serious garage setup, that kind of convenience adds up over the course of a job.

This product is sold in a pack of 50 sheets, which makes it a practical choice for shops, repeat-use applications, or anyone who wants to keep a consistent abrasive on hand for filler shaping and surface prep. Buying in pack quantity instead of individual sheets is usually the smarter move when the work is repetitive and you need replacement stock ready to go.

One important point here is that this product is very specific in purpose. It is not trying to be an all-purpose abrasive for every sanding task in the shop. It is aimed at body filler applications, where sheet size, handling, and workflow matter. If that is the kind of work you do, the Mirka OS-150-001 fits the job a lot better than a generic cut-to-fit sheet.

Who should buy it? Auto body techs, collision repair shops, paint and prep guys, and serious DIY users doing filler work on vehicle panels are the clear fit. If your work includes leveling filler, refining repaired areas, and keeping consumables organized in a standard sheet format, this Mirka abrasive is the right kind of shop supply.

A smart shop-stock abrasive for filler work

The Mirka OS-150-001 keeps things simple: the right sheet size, the right application, and a 50-pack that makes sense if you do body repair work more than once in a blue moon.

• Who it's for: Auto body techs, prep guys, and serious DIY users sanding body filler on repair patches and panels.
• Why it stands out: The 2.75 x 8 inch format is practical for controlled leveling work, and the grip backing helps keep sheet changes quick.
• Worth knowing: This is a purpose-built abrasive sheet, not a catch-all sanding solution. If body filler is the task, though, that is exactly why it makes sense.

• What is this product used for? This Mirka sheet is intended for body filler sanding and repair surface preparation.
• What size is the sheet? Each sheet measures 2.75 x 8 inches.
• How many sheets come in a pack? The package quantity is 50 sheets.
• Where is it made? Source data lists Finland as the country of origin.