20" Stationary Knife Leather Splitter. The 8020 splitter will level or split vegetable tanned leathers form about 4oz up to about 15/16 oz. Using various adjustments your leather can first be "leveled", or then the leather can be split into almost any desired weight even down to light weight lining leathers sometimes in just one pass. The machine is powerful enough to split any length of heavy vegetable tanned leathers up to 20" wide.