[Perfect Size] - PRVEW grinding wheel 4.5 x 7/8 Inch is perfectly compatible for all 4-1/2 inch (115mm) angle grinders with 7/8 inch(22.23mm) arbor，Thickness: 1/4inch(6.35mm). Operating up to 13300 RPM 80M/S.

[Reliable&Safe Discs] PRVEW metal grinding disc is reinforced by double fiberglass mesh, complying with international standards and safety requirements such as EN 12413

[Long Lasting Discs] PRVEW Grinding Wheel is made of premium aluminum oxide grain, for which provides aggressive grinding action and durable long service life

[Great Performance] The design of 1/4 inch thickness grinding wheels provides fast, precise, and clean grinding performance with minimal burrs and material waste.

[Multi-Applications] PRVEW grinding discs are very suitable for super-fast, clean grinding in carbon steel, stainless steel, iron, and other ferrous metals.