Automatically Centers Itself On Round; Square Or Irregular Shapes. Handles Stock Up To 2",Thick. Drill-hole Sizes Are 1/4"; 5/16"; 3/8"; 7/16" And 1/2". Six Hardened Steel Bushings"
Are Provided: 2 Each of 1/4; 5/16" And 3/8". You Can Drill Two Identical Parallel Holes"
Without Moving The Jig. Easy To Use! Item Is Brand New And Will Have Preservative Oil On
It; This Is Normal. Instructions Can Be Emailed To You If Needed. Product Length: 4 3/4 Pr"
INSTRUCTIONS FOR RE-CENTERING UNIT:
1. Loosen allen bolt on middle black piece with the holes
2. Tighten the unit all the way until there are no gaps between the sides and middle black pc
3. Re-tighten the allen bolt on the middle black piece (may have to slightly loosen the unit to align the threads)
4. this will recenter the unit