Product Description:

Flexible back up pads are soft rubber back ups with super strong hook and loop pads to hold the polishing pads strong throughout the polishing process. These are the most used back up pads. With a nice mid flex that allow the diamond polishing pads to hug the stone on radius profiles, bowl polishing, even over edges. 

Available in 3", 4", and 5".      5/8"-11 Brass Thread.

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It is so difficult for fabricators to find a really good quality aluminum back up pad. This Aluminum Back Up Pad is super solid, perfectly flat, premium hook and loop, and has a glue that holds the velcro on even when used dry and the heat builds (which is usually where other aluminum back up pads fail). Available in 3", 4", and 5".  5/8"-11 Brass Thread