Machine: Triumph MBM Ideal 18″ & 18 1/2″ Elec. Model 4810, 4815, 4850. 4860, 4700, 4705 # 0653. Blade Type Standard Steel. Blade Size: 22.444″ x 3.543″ x 0.393 / Holes: 5. This blade has been sitting on our shelf for years, it is a little discolored but not used. Since it was professionally resharpened. A good replacement blade at a low cost.