The Flexipads Dual Action Sander Pad is a premium quality pad with an extra tough fibreglass backplate. It features a range of side vents and cross section channels, for increased air flow for cooling and dust collection. Ideal for heavier grinding. Specifications: Diameter: 150mm.Surface: Hook and loop.Type: Multi-hole E80/65/120.Thread: 5/16 UNF + M8.Density: Medium with 14mm foam layerMax RPM: 12,000. Made in Great Britain Ref: UTTK13509