Universal Implant Torque Wrench Handpiece Kit with 2 Heads 12 DriversDental Universal Implant Torque Wrench Handpiece Kit with 2 Heads 12 Drivers. 12 Drivers:Shank Diameter 2. 35mm 0. 9mm S&L, 1. 0mm S, 1. 2mm S&L, 1. 25mm S&L, 1. 4mm S, Fit for NOB S&L, Fit for ITI S&LL. Precision Instrument Equipped With a Torque Adjustment System For Screwing Prosthetic Components. Overview The success of the implant treatment depends on the precise tightening of the parts placed directly on the implant. A pre stressed tightening of