3M™ Grippy Sanding Block, 68 mm x 111 mm x 20 mm, 35123 | 3M United Kingdom
3M™ Hookit™ Hand Block | 3M United States
3M Stikit Hand Block - Hand Sanding Block - Hard Density - For Adhesive Backed Sanding Sheets and Rolls - Yellow Sanding Block - 2.75" x 5" - 5440 : Amazon.co.uk: DIY & Tools