It has excellent abrasion resistance, so if you use the whetstone or disc during frequent grinding work, it can effectively reduce the wear and extend the service life of the pressure plate and reduce the frequency of replacing it High hardness carbon steel can withstand the huge pressure and friction caused by fast rotation of angle grinder and strong grinding process, the pressure plate will not easily deformed even after long time use High hardness, abrasion resistance and anti-properties can reduce downtime caused by pressure plate problems during angle grinder operation The anti-function ensures a good rotation relationship between the pressure plate and the whetstone car during operation, avoiding the lock caused by overheating and excessive friction, ensuring smooth operation The 100 angle grinder accessory provides the perfect pressure plate for angle grinder specifications, securely attaches to angle grinders without rattling or shifting during use, Manufacturer: Pffiocix