SFX US Stock BT40 Pull Stud Wrench with Integral Type for Japanese Standard Retention Knob MAS 403-1982 BT40 Pull Stud Spanner with No Burr

• BT40 Pull stud spanner fit Japanese Standard retention knob MAS 403-1975
• High quality medium carbon steel is adopted as material of spanner head
• The surface hardness of spanner is higher than pull studs reaching HRC58-62 to be durable.
• Each batch of products should be sampled for torque testing to ensure the quality.
• Blackening the surface of the spanner and installing the rubber handle after chroming gives it a delicate appearance and a comfortable feel.

The pull stud spanner is not easy to damage the pull studs when installing and disassembling the pull studs, which avoids accidents caused by spanner slipping; High quality medium carbon steel is adopted as material of spanner head. The surface hardness of spanner is higher than pull studs reaching HRC58-62 to be durable. Blackening the surface of the spanner and installing the rubber handle after chroming gives it a delicate appearance appearance and a comfortable feel. Each batch of products should be sampled for torque testing to ensure the quality.