Precision (click-style) torque wrenches is accurate to within +/- 3% (clockwise in upper 80% of range). The drive head is a sealed teardrop design that provides ease of access, strength, and keeps out contaminants. The drive reverses direction at the flick of a lever, and the micrometer twist lock securely holds your torque settings even under heavy use. Attractive chrome finish for longer life, and includes carrying case.