Features Firmer Fixing: The BT40 pull stud wrench spanner with 45 degree design ensures fixing with the standard opening, thus improving the work stability. Thread Design: Threaded design will not only effectively prevent slipping, but also largely simplify the connection and extension, very reliable. Good Material: Adopting 40CrMo alloy steel and rubber materials, the pull stud spanner is not likely to deform, and has great durability for uses. Sturdy Structure: Having been through excellent workmanship, the pull stud wrench with high hardness can withstand high torsion in the whole working. Easy to Install: Comes with a compact size and a light weight as well, the BT40 spanner with rubber handle is very convenient to install in minutes. Specification: Item Type: Pull Stud Wrench Spanner Model: BT40 Material: 40CrMo Alloy Steel, Rubber Package List:1 x Pull Stud Wrench Spanner Package List 1 x Pull Stud Wrench Spanner