This is the screw thread tip, not Slip Tip style. Please let me know if you have a few available to me. Thanks. /////////////////////////////////////////////////////////// Lindsey Crawley Lab Manager Laboratory of Renewable Resources Engineering http://www.purdue.edu/lorre Department of Ag. and Bio. Engineering http://engineering.purdue.edu/ABE Potter Engineering Center, Room 333 500 Central Dr. Purdue University West Lafayette, IN 47907 (765) 494-7052 Lab Phone LCrawley@purdue.edu<mailto:LCrawley@purdue.edu> [Purdue_University-150_Years_of_Giant_Leaps.png (300?-66)] www.purdue.edu/giantleaps