½-13 WING NUT SKU: 6030-0004 Categories: Heavy Duty Crank Up, Light Duty Crank Up Related products Quick View Quick View Heavy Duty Crank Up4′ Frame Section Read more Quick View Quick View Heavy Duty Crank UpRight Carriage Assembly Read more Quick View Quick View Compact Mast Climber, Heavy Duty Crank Up, Single Mast Climber, Twin Mast ClimberCorner Guard Post Read more