The Nichols N30 Series applicator shank is used on tool bar holders and is used in fumigation or fertilizer applications is vegetables and other leafy crops. It has a special tongue that accepts replacement cast points that are held in place with a screw and nut or roll pin. Two versions are available, the N30-4 with a 1/4" hole and the N30-5 with a 5/16” hole. Hot forged from high-carbon steel and hardened to be tough and durable. Measures 1/2" x 2" x 32".