Weighs only 35 lbs. (rig- 20 lbs., Weka DK12 motor- 15 lbs.). Can be purchased with a Weka DK-12 hand held motor making this an extremely useful and versatile core drilling system. The M-4's drilling capacity is 6" (3" handheld). The reversible slide handle can be used on left or right side of rig. Also features a high strength, hard anodized, 1 1/2" x 2" aluminum column. The Lightweight Combination Rig includes a combination anchor/vacuum base, mast, carriage, vacuum pump, motor mount plate and your choice of drill motor. The M-4 Anchor Rig is the same except for its smaller anchor base and does not include a vacuum pump. Other drill combinations are available. Ask your Colony representative for a complete listing.