Roto Grip Optimum Idol 15lb. Used. Single drill. Great condition. Has around 10 games on it.
It system. 1 3/8 slug.
Thumb - 1/8 left
Fingers - 3/8 reverse, 3/8 lateral
Span - approx 3 3/4 inch cut to cut with the IT thumb out and total span of around 4” with IT Slug inserted.