Flexipads World Class FLE20030 Angle Grinder Pad White 100mm (4in) 3/8 x 24 UNF Medium flexibility grinder pads are recommended for 60+ finer grits. The unique flexibility and durability make these our best selling pad. This range can be considered for universal use. Made in Great Britain Type. 90-U To suit. 100 mm Mini Grinders. Thread. 3/8 x 24 UNF. Abrasive Disc Size. 100 mm x 16 mm (4in). Machines Fitted:- Atlas Copco. Cp9110/854E (Later models Desoutter 308, 355, 370, Myton). Pin spanner - Green