Thermo Fisher Scientific Nalgene Torque Wrench Fitting. For use with 1/4 Drive Torque Wrench 2195-6169. Assure accurate torque readings when applying closures onto bottles with Nalgene Torque Wrench Fittings for Polypropylene Closures. Proper torquing of Nalgene closures is critical to leakproof sealing. Material Epoxy. Closure 28-415. Type Polypropylene Closures. Pack Qty 1.