Snow Joe SJ600S-HP Series Snow Throwers Hardware Pack For use with all Sj600 Series snow throwers, including: Sj620/Sj621/sj622e/sj623e/Sjm988 Joint fixing knob + bolt: cup head Square neck bolt (4)/handle knob (4) hex nut (4) Chute Deflector knob + bolt: hex nut (2)/adjustment knob (2)/cup head Square neck bolt (2) Cable Restraint holder