RUPES Sander Backing Plate 6" / 150mm (981.145N) – Vinyl Face Multi-Hole Backup Pad The RUPES 981.145N is a random orbital palm sander backing plate designed in a 6" / 150mm size with a vinyl face. It features a multi-hole vacuum pattern and includes an M8 bolt (1 pc) for installation. Key Features & Benefits 6" / 150mm backing plate size for compatible sanding applications. Vinyl face construction (as listed). 17-hole (8+8+1) vacuum pattern intended for dust extraction through the pad (as described by Finishing Focus). Thermo-plastic abrasion-resistant spoiler designed to improve stability and mechanical reliability (as described by Finishing Focus). M8 thread connection and M8 bolt included for mounting. Specifications Attribute Details Part Number 981.145N Size 150mm / 6" Face / Material Vinyl face Vacuum Hole Pattern 17 holes (8+8+1) Thread / Connection M8 thread connection Included M8 bolt included, 1 pc UPC 8058341042137 Density Hard density (as described by Finishing Focus) Max Strokes/Min 20,000 (as described by Finishing Focus) Recommended Compatibility (as listed) RUPES Skorpio III sanders: RH353A, RH356A, RH359A (as listed by Finishing Focus). Also listed: BR106AE, BR109AE, BR112AE, AR03TE, ER05TE, ER153TE, ER155TE, RH153A, RH156A, RH159A, RH112A. How to Use (General Guidance) Install the backing plate on compatible tools using the M8 connection (bolt included). Align the multi-hole pattern with your sanding disc and dust extraction setup for best results. Use abrasives appropriate for your sanding stage and follow your tool manufacturer’s safety guidance.