sma4dCT-SMA4D SMA1.852.42.923.5 4 in-lbs Torque Wrench. Rev 000. Torque Value. Hex Size. Torque Tolerance. Wrench Type. 4 inSMAD4 is the only common SMAD in TGF-β snaling that usually impedes immune cell activation in the tumor microenvironment. However, we demonstrated here that