ITEM NAME:1" Sanding Disc Holder Roloc Roll & Lock Rotary Pad Holder 6mm Shank M&E Specification: Brand new Material: rubber&metal Diameter: approx 25MM Rod length: approx. 45.5MM Shank Diameter: approx. 6MM Screw hole: M6 Package included: 1 x Backing Pad 1 x Shank Note: Please allow 1-5mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Screw hole: M6. 1 x Backing Pad.