VEGA TLS-20 - Torque Limiting Screwdriver SetTorque Limiting Sscrewdriver Set Meets calibration specifications for ASME B107. 300. Precise torque settings eliminate the risk of over or under tightening, protecting your equipment and materials. Covers a torque range of 8 to 40 lbf in. Micro adjustment collar can be adjusted in 0. 2 lbf in increments. Each Vega torque screwdriver goes through 100% inspection and testing. Used to prevent damage to delicate components and over torquing TLS 20 set