Hi-Tech Diamond acrylic backing plates are made out of acrylic and provide an extremely flat surface for disc application. Hi-Tech Diamond 3/8" acrylic backing plates provide an extremely flat surface to back diamond smoothing discs, electroplated diamond discs, Tech-11 polishing pads and final polishing pads.
All acrylic backing plates h
4.9
45 ratings
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These are needed for the extra discs I purchased, very pleased they are affordable.
C
Corely · April 28, 2026
Weather related
Weather outside got cold again and I haven't used them at all, they look good on the desk tho
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Ben · April 30, 2026
Good backing plates
I started using just 1 backing with the bushing. So much nicer having them on their own backing plate. And the foam pad feels great.