Fixed Click Type Torque Wrench with 5/16" Bit for SMA, 1.85mm, 2.4mm, 2.92mm, 3.5mm ConnectorsOur professional grade fixed click type torque wrench has a 5 16" bit and a pre set value of 8 in lbs or 0. 9 Nm. The wrench is designed for use with the following connector types: 1. 85mm 2. 4mm 2. 92mm 3. 5mm SMA The wrench is designed to click once the pre set torque value is reached. This feature is excellent when used in labs, final production, installation or other environments where accurate torque is necessary.