OK
Does these fit PXG 0311XF IRONS ?
Hello, yes they will that head model
What weight does the 0311 gen 4 iron Typically come with?
Hello, typically the weights vary from model to model and also they are different depending on where on the club they are located. The best way would be to take them out with the appropriate wrench and weight them with a gram scale.
Are these the screws that hold the tungsten heel and toe weights in?
Hello, these screws are also the weights.
Does this wrench have the little hole in the middle necessary for tightening Gen 4 iron center (large) weights?
Hello, the wrench with the hole in it that we sell is listed here:
https://www.thegolfclubtrader.com/products/t25-torque-wrench-w-center-hole-for-golf-club-head-weights?_pos=1&_sid=39bf39d69&_ss=r
How many weights for $6.99? Do you also sell the wrench?
Hello, the price is per weight, typically you only need 1 or 2 per head to get to the swingweight you want to achieve, and yes the wrenches are available in the listing menu.
