Check the listing for details. SFX Digital BT40 Pull Studs Torque Wrench Spanner MAS 403 BT40 Retention Knob. Color: Black, Condition: New. Listed at 269.00 USD. Company Strength 1.More than 17 years manufacturer of CNC accessories 2.Dedicated to the R&D of tool holder pull studs, nuts, pull stud and nut wrench/spanner, lock tool holders etc. 3.Products were distributed to more than 70 countries and regions worldwide 4.Serving more than 20,000.00 customers, highly praised and recognized 5.Factory Direct Fast Free UPS/FedEx Shipping, About 7 Working Days Delivery! Digital Torque Wrench Advantage1.Forged from high strength alloy steel, durable, and uniform force, not easy to damage the pull stud2.Large screen digital display and backlight,you can easy to read data clearly and effectively3.Can store 999 sets of record values,and selectable read-out in N.m, lbf.ft, lbf.in or kgf.cm 4.Three measurement modes（Pre:Preset value/P:Maximum/T:Real-time), one-key switching, to meet your different needs5.Numerical preset, Double alarm. Preset torque, when close to the preset value,the red light will be on and the alarm will sound