description 115 mm flap discs wheels grinding metal sanding material:aluminium oxide diameter: 115 mm/4.5" bore size: 22 mm color: reddish brown type:40/60/80/120 grit thickness: 8 mm/8 mm/6 mm/6 mm application: grinding, removal, edge chamfering/beveling, weld blending,cleaning and finishing features: 1.hard-wearing,long service life. 2.ideal for use on wood, metal and plastic. 3.designed for use with all 115mm 4.5" angle grinders. 4.especially suitable for stainless steel also great for mild steel. 5.ideal for the home, workshop, hobbyists, tradesmen, builders and diy enthusiasts, etc. package included: 1 x flap sanding disc notes: 1.manual measuring, please allow 1 ~ 5 mm error,thank you. 2.please leave a message about your prefer type,or we will send by random. 3.product grit is in accordance with the type you choose to match, please select the type of good before buying. 4.due to the difference between different monitors, the picture may not reflect the actual color of the item. we guarantee the style is the same as shown in the pictures.please understand, thank you!