Features Excellent 42CrMo Alloy Steel Material: This pull stub spanner wrench is made of 42CrMo alloy steel material, which is strong and wear resistant, not easy to be damaged, and has a long service life. Knurled Embossed Design: The handle of this CNC Wrench features a knurled embossed design to prevent slippage. Fine Processing Treatment: The slot position of this pull stub spanner wrench is finished to prevent contact wear and is not easy to be damaged. Quenching Treatment: This pull stub spanner wrench adopts quenching treatment, with high hardness and strong anti vibration ability. Wide Application: This pull stub spanner wrench is widely used, and can be used in repair points, factories, workshops etc. Specification: Item Type: Pull Stud Spanner Model: PS BT40 Material: 42CrMo Alloy Steel Surface Treatment: Galvanized Package List:1 x Pull Stud Spanner Package List 1 x Pull Stud Spanner