Quick Change Disc Backup Pad: TR, 1 1/2 in Dia, 1/4"-20 Internal-Thread, Hard Density

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Item: 6TP97,
MFR: 45100,
Brand: 3M

Technical Specification
Compatible Abrasive Type Quick-Change Sanding Discs, Quick-Change Surface-Conditioning Discs
Abrasive Mounting Quick Change System TR
Overall Diameter 1-1/2 in
Connector Size 1/4"-20
Tool Connection Type Internal-Thread
Density Hard
Maximum Operating Speed 30,000 RPM