GunprimerSKU: R-MB-A1 (M620)

Sale price$39.99
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The RASER series is GUNPRIMER's premium flagship sanding tools.

RASER THE BLACK is a premium sanding handle designed with productivity and aesthetics in mind for high precision sanding for experts. 


  1. RASER THE BLACK (Premium sanding handle)

  2. SAND-LOOP 400,600 grit (Sandpaper)

  3. BALANCER gray (Scratch remover)

  4. BALANCER white (Gloss polisher)

  5. Storage case

Using RASER THE BLACK with the enclosed SAND-LOOP, BALANCER Gray, and BALANCER White, users can experience GUNPRIMER's unique 3-step sanding. For additional information about 3-step sanding, please see the "What is 3-Step Sanding?"

Material: Aluminum 60161, leather strap
Size : 16*140*5mm

Made of premium grade Aluminum 6061, the same material used in bike frames, wheels and engines, RASER THE BLACK is engineered for both productivity and aesthetics in mind. It's appropriate handling weight and balance allows sanding with great precision.

The stick design of RASER THE BLACK allows various grip methods for different types of users with different styles of sanding.

 RASER THE BLACK’s weight gives enough pressure for sanding, there is no need to apply excessive pressure. Just relax and rub against the surface sideways. Use the handle’s weight to achieve balanced sanding. Please check the video for useful sanding snap for experts.

Magic-hook system secures the SAND-LOOP in place and allows easier attachment and detachment when replacing it. Unlike any other conventional products, it detaches easily and does not leave any adhesives. Attach the most appropriate grit for your surface level.

Instruction for use 

  1. Place RASER THE BLACK on top of a SAND-LOOP (rough side up) of desired grit. 

  2. Use RASER THE BLACK as a guide and safely cut the SAND-LOOP along the edge.

  3. Peel off the back of the SAND-LOOP and attach it on the Magic-hooks of RASER THE BLACK and start sanding.

Dust and debris can be easily washed off with water. It is recommended to clean with water after each use.

What is 3-Step Sanding?

3-Step sanding is a process developed by GUNPRIMER, using it's three distinct products to shorten the conventional sanding process. Follow the steps below to achieve faster and more productive sanding results.

Step 1 - Sanding: Attach 600 grit SAND-LOOP for sanding.

Step 2 - Removing scratch: Use the BALANCER GRAY to smooth out the rough surface from sanding and remove scratches at the same time. Result is similar to surfaces found after using 2000 grit sandpaper.

Step 3 - Gloss polish: Use the BALANCER WHITE to polish the surface with gloss finish.

Customer Reviews

Based on 3 reviews

File is obnoxious. Get something smaller.

Chris Osmena
Must have tool

I just purchased this tool kit as I am starting to build a PG and MG kit. I was initially hesitant as the sanding tools cost a little high. Let me tell you it is worth every penny, especially if you intend to use it on pricier Kits. I would highly recommend it to anyone who wants a clean nub removal or just cleaning up surfaces. The item itself is well made and fits and feels perfect in hand. The surface comes out very smooth. Great Purchase!

Kenneth Weeks
Great nub eraser

Love it, I’m using it on a clear kit right now.

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