Features: Upgrades your grinding projects with 4 piece adamas grinding heads featuring premium adamas abrasives for excellent wear resistance and rapid material removal on alloys, stone, and cast iron. accuracy engineered with secure hexagonal shank compatibilities and advanced brazing technology, these sturdy grinding tool maintain adamas particle integrity during prolonged practical applications. Ideal for professional metalworkers and DIY enthusiasts requiring reliable performances in model making, mechanical repairs, and craft projects. Effortlessly tackle surfaces finishing on countertops, automotive parts, and art sculptures with multifunctional adamas abrasive tool suitable for glass, concrete, and hardened steel. The smooth surfaces design allows quick debris removal between tasks, ensuring consistent grinding efficiency across all four included grits variation heads. Specifications: Material: adamas Size: Approx.6.1x1.1cm/2.4x0.43inches 6.1x1.1cm/2.4x0.43inches 6.1x1.1cm/2.4x0.43inches 6.6x0.6cm/2.6x0.24inches Package Includes: 4Pcs adamas Grinding Heads note: Please allow 1-2cm error due to manual measurement. Please make sure you will not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!