the china markers or anything you find in an art supply store is not the same as the actual pencils used by proshops..
your best bet is to go with the links that were provides..
or if you just need 1 or 2 go to your pro shop and buy a couple off of them.
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18 mph,350 rpm,PAP 5 1/2 x 3/8up, 15 deg axis tilt, varied rotational axis deg.. usually 45+
HighGame 300 x 4, High Series 808
Book Average 205,PBA Xperience 185