• Zirconium flap disc for descaling, derusting, weld preparation, weld cleaning and general surface preparation.• More durable than aluminium oxide flap discs.• Abrasive flaps are attached to rigid disc with epoxy adhesive - does not require backing pad.• Depressed centre discs suitable for electric and air tools.• Size/Bore: ø125/22mm.Zirconium flap disc for descaling, derusting, weld preparation, weld cleaning and general surface preparation. More durable than aluminium oxide flap discs. Abrasive flaps are attached to rigid disc with epoxy adhesive - does not require backing pad. Depressed centre disc suitable for electric and air tools.• Zirconium flap disc for descaling, derusting, weld preparation, weld cleaning and general surface preparation. • Lasts many times longer than normal sanding discs. • Abrasive flaps attached to rigid disc with epoxy adhesive - does not require backing pad. • Depressed centre disc suitable for electric and air tools. • Size/Bore: ø125 x 22mm. • Model