Groover TCT Titman's Wobble Saw is the traditional answer to the problem of cutting various widths of grooves in timber, chipboard and other man-made materials. DESCRIPTION Titman's Wobble Saw is the traditional answer to the problem of cutting various widths of grooves in timber, chipboard and other man-made materials. The steel boss and blade vary the Kerf from 6mm to 22mm when set to the calibrated reading. The eight tunsten carbide tips have a shear action to give a clean and precise groove width. Varied bore sizes can be offered. Please state requirements when ordering.