MAXIMUM LOG DIAMETERS With LL1545 – 4-1/2” Max Log Diameter With LL2580 – 6-1/2” Max Log Diameter Keep Your Mortise Holes in Line™ with our Drill Sergeant - Angle Driller™. This high quality, heavy duty, USA made product ensures that you get accurate alignment every single time and is perfect for stair railings, Adirondack chairs and more! Log Lock™ Not Included (Purchase Here) Recommended Drills: BOSCH PROFACTOR 18V CORDLESS 1/2 IN. DRILL/DRIVER BOSCH 5/8 IN. DRILL - GBM9-16 Milwaukee 1660-6 *Most electric drills and 18V cordless or higher drills will work. FEATURES & BENEFITS 1. USA Made 2. Adjustable from 0° - 45° with "Peep Sight" Angle Alignment Guide™ 3. Works with Self-Feed Bits up to 2" 4. 2-Piece Baseplate (Allows Mounting of Log Lock on Either Side of the Drill Sergeant for Versatility and Left/Right Hand Users) 5. Fits Most 1/2" Drills 6. Heavy Duty Hardened Shank 7. Genuine All-Steel Jacob's® Chuck 8. Zinc-Plated Side Arms for Durability and Superior Corrosion Resistance 9. Standard Zerk Grease Fitting for Easy Maintenance 10."Quick Turn" Adjustment Handles 11. Easily Attaches to the Lumberjack Tools Log Lock™ LL1545 (not included) 12. Integral "Lock-Out" Safety Drop Prevention System 13. Adjustable Drill Depth Stop for Consistent Holes 14. Bolts Directly to Table or Workbench (Portable) VIEW MANUAL HERE