Model Torque Range Hand Force at Max Torque Range Effective Lgth. Overall Lgth. Square Drive Weight approx. Min.-Max. S.I. Metric American N lb. mm in. mm in. mm in. kg lb. QSP1.5N N.m 0.5-1.5 kgf.cm 5-15 in.lbs 4-10 12.5 2 1/8 120 4 23/32 165 6 1/2 6.35 1/4 0.1 1/4 QSP3N 1-3 10-30 10-30 25 6 3/8 QSP6N 2-6 20-60 20-50 50 10 19/32 QSP12N 4-12 40-120 40-100 96 20 7/16 125 4 29/32 175 6 15/16 0.15 11/32 QSP200I-2A 5-25 50-250 50-200 161 32 13/16 155 6 3/32 215 8 3/8 0.2 7/16 QSP25N3 9.53 3/8 QSP50N3 10-50 100-500 100-400 279 56 21/32 179 7 1/16 250 9 3/4 0.4 7/8 QSP750I-3A3 20-100 200-1000 100-750 389 74 5/16 257 10 3/32 330 13 0.65 1 13/32 QSP100N3 12.7 1/2 QSP140N3 40-140 300-1400 200-1200 444 96 3/4 315 12 13/32 385 15 3/16 0.7 1 5/8 QSP200N3 40-200 400-2000 300-1600 500 101 19/32 400 15 3/4 470 18 1/2 1.2 2 5/8 QSP280N3 40-280 kgf.m 4-28 400-3000 467 127 600 23 5/8 670 26 3/8 19.05 3/4 1.8 4 QSP420N 60-420 6-42 600-3600 101 19/32 900 35 7/16 970 38 3/16 3.1 6 27/32 1. Adjusting tools for QSP and QSP3 are different (see auxiliary tools). Conventional type adjusting tool for QSP cannot be used for QSP3. 2. Not for inspection purpose. 3. For the wrench with limit switch, click here. 4. A torque wrench tester is necessary for torque setting. Please specify required set torque when you order