½-13 WING NUT SKU: 6030-0004 Categories: Heavy Duty Crank Up, Light Duty Crank Up Related products Quick View Quick View Compact Mast Climber, Heavy Duty Crank Up, Single Mast Climber, Twin Mast Climber50″ Level Plank Adapter Read more Quick View Quick View Heavy Duty Crank UpTop Cable Head Left Read more Quick View Quick View Compact Mast Climber, Heavy Duty Crank Up, Single Mast Climber, Twin Mast Climber4′ Platform Extension Assembly Read more