Flexipads World Class FLE11723 Angle Grinder Turbo Pad ISO Hard 125mm (5in) M14 Hard flexibility Turbo grinder pads are recommended for 36+ finer grits. ISO 15636 quality standard featuring air flow ribs which keep the pad and abrasive cooler making them last longer. Perfect for tougher grinding operations. Made in Great Britain For Grits : 36g + finer Thread Size M14 x 2.0 Pin Spanner (if Required) Zinc (Optional)