What you get in the box
The packaging is a stiff small box, easy to ship and protecting well the “blocks” inside. When you open it, you find two small leaflets: one dedicated to the instructions, while the other one is a color keyabout the various grits of the blocks. As you can see from the image, each block has a nice spot / circle engraved and colored in a different tint: this way it is really easy to grab always the grit you need.
The grits are:
80 grit for stock removal (dry only)
180 for shaping
220 for shaping
320 for shaping
400 for smoothing and polishing
600 for smoothing and polishing
Each block has the sanding surface on both the sides. The lateral sides are finely polished, to allow a comfortable handling. The size of the blocks is 3.5" long x 1.5" wide (76 mm. x 37mm). All the grits can be used for dry and wet sanding, with the only exception of the 80 grit, that is for stock removal only.
So, how they work? I was happily surprised to discover that thanks to their flat and rigid shape, these blocks give a true surface to sand against. This makes it easier to make or keep the surface flat and even. When you experience troubles while trying to sand seams smoothly and evenly using traditional sand paper or flexible sanding sticks, ending up with crooked surfaces or flat spots around curves, these blocks can truly help to avoid this problem. With the different grids in the set, it is easy to quickly remove the material and then work it to a nice polished surface (though for an ultra polished surface, like the one needed to spray paints like AK Interactive Extreme Metal or Alclad, i would complete the job with an ultra fine grit, like the Micro Mesh polishing pads.
The blocks have perfect 90 degree edges and corners for reaching tight spaces, tough sometimes for very tight spaces you still will have to use the traditional "rolled sanding paper". Last but not least, these blocks are made to last long time: indeed as the instructions show, they can be easily cleaned with an old brush.
View the MTSC Product page to order HERE