I set mine on jackstands, add C-clamp to jackstands to eliminate wobble.
1-1/8-12 bolt reamed slip fit for 1/2" drill rod in top ear of C, 1/2" drill bushing with 3/4" OD + couple layers of tape is snug fit in the bottom ear tapered hole.
1-1/8-12 bolt reamed slip fit for 1/2" drill rod in top ear of C, 1/2" drill bushing with 3/4" OD + couple layers of tape is snug fit in the bottom ear tapered hole.










