... , SKH-51, V-30, 90-92HRA---Hardness: HRC58~60. Order: code No. Size: D 1.0 ~ 25.0 L 40 ~ 100 ... different types 2. Excellent performance 3. Close tolerance, long service 4. MOQ: 1 PCS for each. 5, Consistent quality control 6, Quick ... delivery time 7, Excellent customer support 8, Made-to-order service available ...