Hobart Univex Uniworld Alfa Mixer Pelican Head Shredder Disc 1/2 In. Holes 1/2" hole size for large shredding Fits shredder attachment for Hobart Omcan Univex Fits shredder attachment for Alfa Uniworld and others Disc is 9 1/4" diameter. Ships FAST from Butcher-Baker Stainless Steel