■ Made of alloy steel
■ One unit includes 3pcs same size ■ Hardness HRC60-62 ■ Accuracy:±0.25μm (grade 0), ±0.5μm (grade 1) ■ Roundness:0.25μm (grade 0), 0.5μm (grade 1)
529-2886-00 529-2886-01 529-055-00 529-055-01 529-XXXX-0X