I'm debating whether to get the $100 Icon Harbor Fright torque wrench, which has a great rep for being accurate.... or sending my 25 year old Lin Sheng torque wrench (possibly harbor freight also) in to be calibrated.
I got a quote of $48 (plus shipping) to have these folks calibrate a torque wrench:
HF's new Icon wrench:
www.harborfreight.com
I got a quote of $48 (plus shipping) to have these folks calibrate a torque wrench:
HF's new Icon wrench:

1/2 in. Drive 50-250 ft. lb. Professional Click Torque Wrench
Amazing deals on this 1/2In Dr Click Type Pro Torque Wrench at Harbor Freight. Quality tools & low prices.