Without appropriate torque hardware can be under or over tightened causing loose components, damaged threads or broken parts. 
15Pcs Torque wrench set: 
•Top Features of the 2-14 TorqueSet Torque Spanner Set 
•Adjustable torque tool with 1/4" drive and features a click-mechanism to indicate when torque setting is reached. 

•Supplied in a black case 
•Range: 2-14Nm 
•Adjustable with small increments 
•Individually calibrated by computer. Possibility to re-calibrate the tool 
•Hex keys 2,2.5,3, 4, 5, 6, 8, and T10, T25,T30,torx,PH2 ; 
•Protection case included 

25 Pcs 1-25Nm Torque wrench set: 
•Adjustable torque tool with 1/4" drive and features a click-mechanism to indicate when torque setting is reached. 

•Supplied in a black case 
•Range: 1-25nm, accuracy: 3% 
•Adjustable with small increments 
•Individually calibrated by computer. Possibility to re-calibrate the tool 
•Hex keys ,2,2.5,3, 4, 5, 6, 8, H5-100MML; T10,T15,T20,T25,T30,T40 torx; 
•PH1,PH2,PH3 ;extension bar 100mm;FDS-4,FDS-5;Socket 8mm,10mm;Adapter 1/4→3/8;Adapter bit 1/4。 

25 Pcs 2-24Nm Torque wrench set: 
•Top Features of the 2-24NM Torque Spanner Set 
•Adjustable torque tool with 1/4" drive and features a click-mechanism to indicate when torque setting is reached. 
•Supplied in a red case 
•Torque Range: 2-24nm 
•Adjustable with small increments 
•Individually calibrated by computer. Possibility to re-calibrate the tool 
•Hex keys ,2,2.5,3, 4, 5, 6, 8, H5-100MML; T10,T15,T20,T25,T30,T40 torx; 
•PH1,PH2,PH3 ;extension bar 100mm;FDS-4, FDS-5;Socket 8mm,10mm;Adapter 1/4→3/8;Adapter bit 1/4。