This precision wrench has been designed for the Oil Change industry for installing Oil Filter Housing Caps. The 3/8” Square Drive Wrench has a patented internal torque limiting device set at 35 Nm (25.8 ft lb). This prevents over-tightening when installing Housings Caps. Over-tightening can lead to oil leakage and/or damage to the cap. Internal torque limiting device prevents over-tightening of caps. Ins 11.5" Long (290mm). 3/8" Drive. Soft Grip Handle. Accuracy: ±4%. This precision wrench has been designed for the Oil Change industry for installing Oil Filter Housing Caps. The 3/8” Square Drive Wrench has a patented internal torque limiting device set at 35 Nm (25.8 ft lb). This prevents over-tightening when installing Housings Caps. Over-tightening can lead to oil leakage and/or damage to the cap.