Fangrui Product Details The Kit Contains 20 Guide Posts And 20 Guide Sleeves, Sufficient In Quantity, Easy To Use And . The Product Has High Accuracy, The Single Piece Concentricity Is .005mm, And The Combination Concentricity Is .03mm. These Guide Posts And Guide Sleeves Are Often Used To That The Mold Moves With Precise Positioning. Overall Ultraacuum Heat Treatment, With Balanced Hardness Of Hrc582, Not Easy To Wear. Using Excellent 20cr Material, Has Good Toughness And High Strength, Not Easy To Corrode For A Long Time. 1. These Guide Posts And Guide Sleeves Are Often Used To That The Mold Moves With Precise Positioning. 2. The Kit Contains 20 Guide Posts And 20 Guide Sleeves, Sufficient In Quantity, Easy To Use And . 3. Using Excellent 20cr Material, Has Good Toughness And High Strength, Not Easy To Corrode For A Long Time. 4. Overall Ultraacuum Heat Treatment, With Balanced Hardness Of Hrc582, Not Easy To Wear. 5. The Product Has High Accuracy, The Single Piece Concentricity Is 0.005mm, A