The sale product is a universal shaft WWK2U designed to build screw log splitter powered by pulley or tractor through the power transfer shaft PTO. The shaft is adapted for mounting with self-aligning bearings type UCP207 (the diameter of the bearing is 35) has end for cone type 35A with 35mm diameter and output for pulley with 35mm diameter and wedge 10mm, additionally protected from the back of screw and output for standard power transfer shaft used in agricultural tractors, 6 teeth, 1 and 3/8 inch. With this type of shaft - using tractor as power source, a pulley can be used to power another device and vice versa. End for auger with 35mm diameter is a typical size for standard log splitter.