UCT Gem Carbide Rotary Burr SL 4 1 2 Inch (1 4 Inch Shank Tungsten Carbide Tapered Radius End Double Cut 20000 Max RPM Weld Grinding) Rotary Hammers & Laminates Pro Tip: When routing & Laminates Pro Tip: When routing curved table legs or arched templates where wood grain direction changes midpoint The GearWrench 80550P 56 piece 3 8 inch drive socket set delivers maximum turning capability in cramped engine compartments using a patented 120XP teardrop ratchet with dual stacked pawls providing 120 positions and an ultra narrow 3 degree swing arc Outfitted with a 1 2 inch head diameter and a 1 1 8 inch length of cut across a 2 7 8 inch overall length 575 mm) Shank Diameter Size 1 4 in