It seems like most drillers only carry the power lift and oval inserts. Can someone let me know what the "power lift ova" and the "semi" are??.. and how they differ from the standard power lift and standard oval...??
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18 mph,350 rpm,PAP 5 1/2 x 3/8up, 10-13 deg axis tilt, varied rotational axis deg.. usually 45+
HighGame 300 x 5, High Series 808
Book Average 220,PBA Xperience 193