K5 Blazer and pickup driveshafts front/rear

[mudboggink5]

I have 6 front driveshafts, and 3 rear shafts. The fronts are out of blazers and pickups, all bolt on with the cv. And the rears are out of 87 88 and 91 k5 blazer.
50 a piece or 80 for 2. Give me measurements so I can make sure they will work.