bestgle tongue and groove router bit set 3/4 inch stock 3 teeth t shape 1-3/8 inch diameter wood milling cutter woodworking tool, 1/4 inch shank bestgle <p><b><i>bestgle 1/4 inch shank 3 teeth t shape tongue and groove router bit set</i></b></p> <p>- solid hardened steel bodies, durable </p> <p>- anti-kickback design and totally enclosed & lubricated bearing</p> <p>- baked on heat resistant coating prevents build-up of sawdust, resin, and pitch</p> <p>- hook & shear angles, allow cutters to slice smoothly into stock producing clean, splinter free</p> <p><b>specification:</b></p> <p>balance: +/- .003" tolerance (allowing smooth operation at high rpms)</p> <p>body: solid hardened steel</p> <p>blade: industrial grade micro grain carbide</p> <p>cutter: cnc ground</p> <p><b>package includes:</b></p> <p>1 x tongue router bit</p> <p>1 x groove router bit</p>