When they give the tip size , that's the size tube it should take. the tube size is determined about 3/4 to 1 inch down the blank because the tube must fit at the fattest part of the blank it will have to go over. A tube on a tip of size 8 (1088 model) would have an ID of 8/64ths so .125. that's pretty close to the .130 you are measuring behind the tip tube. So I think you do in fact have a 1088. I may be wrong but everything seems to add up looking at the data you posted and the chart posted by BigBo.
I just noticed no 2 piece 1088 is listed so now we are chasing our tales.
Last edited by Saltheart; 11-17-2011 at 01:35 PM..
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