Ordering Description Product number Description: 4216 Series Propylene Tip, 1/2 metal thickness Product number: 998590 Description: 4216 Series Propylene Tip, 1/8-1/4 metal thickness Product number: 998589 Description: 4216 Series Propylene Tip, 2-4 metal thickness Product number: 998592 Description: 4216 Series Propylene Tip, 3/4-1 1/2 metal thickness Product number: 998591 Description: 4216 Series Propylene Tip, 6-8 metal thickness Product number: 998593