Material: chrome steel, gcr 15 Tolerance grade: abec-1, abec-3 6000 series; 6200 series; 6300 series; 6400 series; miniature series; 6700 series; 6800 series; 6900 series; 1600 series; 16000 series; r series; rls series; rms series; 62200 series; 62300 series; 63000 series. Box/carton/pallet