Trend 5/53X1/2TC Mortise cutterStaggered lock mortiserTCT cutter with staggered cutting surfaces.Deep mortising and grooving giving good chip clearance. For lock mortising, two width cuts will be needed to achieve the standard 19mm mortise. The lock mortiser will plunge and clear chips to a depth of 70mm in a number of passes. Tool has extra long shanks. Adjust the cutter in the collet to achieve maximum plunge depth. Take several passes to avoid cutter breakage and motor overload. Specification-D=16 mmC=50 mmOL=103.0 mmShank Diameter=1/2 inch