39 will engage the top surface 35 39 of washer 24 39 note that protrusions 28 and 29 shown in the washer illustrated in fig9 are not needed on the washer of the preferred form of the invention in still another form of the invention the first and second side members 13 and 17 are formed with openings 26 and 27 adjacent the seat member 11 and the washer member 24 is formed with protrusions 28 and 29 dimensioned and positioned for locking registration with openings 26 and 27 in the first and second side members 13 and 17 the tension tie member of the present invention is preferably constructed from light gauge galvanized sheet metal tension tie members having an average ultimate load of 11 800 pounds a normal allowable load of 3 240 pounds and a maximum allowable load of 4 320 pounds may also be constructed from 12 gauge steel but the washer should be constructed from 7 gauge steel the length of the strap may be 27 11 16 34 and connected to a bolt 5 8 34 in diameter twenty four 16d nails 7 may be used to connect the strap to the wood member bolt holes 67 are punched in the strap member 5 for the receipt of bolts therethrough as an alternate form of attachment an example of the manner in which the present invention is used is illustrated in fig7.