Vintage fork-shaped steel brake-lathe or machine-tool fixture with a long center slot, parallel arms and an adjustable upright square blade or tool bit. The pivot boss includes side and face screws, and the blade position appears adjustable. Both faces, the slot, pivot hole, screws and blade are photographed closely. Fit / compatibility: The exact cutter, stop, gauge or support function and original machine are unknown. No maker or part number is visible. Compare the fork spacing and length, pivot hole, boss geometry, blade cross-section and photographed dimensions to the intended setup. Only the exact pictured item is included.