Super Quality 2 Flap Disc 115 x 22mm, P40 grit. Super Quality 2 is the Advanced Performance tier.
Flap discs combine grinding and finishing in one step, removing weld and scale and leaving a smooth blended surface on steel and stainless. Coarse grit for stock removal; fine grit for finishing.
Use on an angle grinder at a shallow angle and let the abrasive do the work.