I ordered a sharpened and balanced 40 mm prop, what I got is a s&b 38.5 what is the acceptable + - tolerance in the hobby. I have about 20 sets of props and this is the only one that’s not close to what it should be. 8A38B64D-7943-4BFA-87CD-5280DC09AF76.jpg19838F12-16F1-4362-954E-D9E45E41A75A.jpg