28606 Features: -Drill stand. -Holder may also be screwed down. -Vacuum base model stays securely in place on smooth surfaces. -Suction cup allows rapid attachment to any smooth non porous surface. -Ball joint may be swiveled in all directions. Specifications: -UHV securely holds all rotary tools with 0.75" collar. -Dimensions: 9.25" H x 3.35" W x 13.78" D.