Trend TEMP/SCM/A Self centering mortise base Mortise baseAllows a plunge router to rout mortises in the centre of timber. Self centres, no marking out required to set mortise width. Solid phenolic base with two 30mm long roller guides for ease of use and smoother operation. Creates rounded end mortises. Mortise width same diameter as router cutter. Maximum cutter diameter 16mm. Maximum 100mm width of material can be mortised. UK Patent application GB0800183.6Specification-Size=170 mm x 8 mmMax. material width=110 mmMax. cutter dia.=16 mm