QM棘輪式扭力起子特點：
.QM棘輪式扭力起子精度± 5％，符合根據DIN ISO 6789和ASME B107.14M -1994
.6.35mm六角接口以及方榫兩種任意選用
.自動調節旋鈕設計
.QM棘輪式扭力起子具有易于閱讀的刻度盤
.舒適的人體工學橡膠手柄
.Range:1/4″ dr. 1~6Nm
.Tolerance of Torque ±5% quality meets DIN ISO 6789&ASME B107.14M -1994
.6.35mm(1/4″) Hex drive for bit
.Automatic adjustment knob design
.Easy-to-read laser scale
.Ergonomic comfort rubber Grip