Shape Approx. equivalent to ref. 18/82x 1/2tc. Suitable panel mould for use with ref. psc/3x 1/2tc & psc/30x 1/2tc. ideal to be used when no variable speed facility is available or when shaped work is not required. When used in a portable machine the panel will need to be clamped vertically with an extra support base for the router. specification:. D=25.4mm. C=38mm. R1=3mm. R2=8mm. A=85 degrees. Shank diameter=1/2 inch. alternatives::. Trend vertical panel classic a=85¡ tr_18/92x 8mmtc. Trend b/guided class/panel raiser a=5¡ tr_18/82x 1/2tc. related products::. Trend flat class prof/scribe 3.5mm rad tr_psc/3x 1/2tc. Trend flat class prof/scribe 3.5mm rad tr_psc/30x 1/2tc.