Features: High hardness carbon steel, it can withstands the enormous pressure and frictions generated by the high-speed rotation and strong grinding process of angles grinder, ensuring that the pressure plate will not easily deforms after long time use. Having excellent wear resistance, it can effectively reduce wear and prolongs the service life of the pressure plate and reduce replacement frequency when in contact with the grinding wheel or disc during frequent grinding operations. Anti lock function, it can ensures a good rotational relationship between the pressure plate and the grinding wheel during the operation of angles grinder, avoid locking caused by overheating or excessive frictions, and ensures smooth operation. Accessory of the 100 type angles grinder, this pressure plate perfectly for the specifications of angles grinder, is easy to install, and tightly attaching to angles grinder, ensuring that there will be no looseness or displacement during use. Due to its high hardness, wear resistance, and anti lock characteristics, it can reduce downtimes caused by pressure plate problems during the operation of angles grinder. Specifications: Material: Carbon Steel Diameter:30mm/1.18'' Package Includes: 2Pcs angles Grinder Flange Nut note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.