Click to expand Tap to zoom LockNLube Grease Fitting Thread Tester, LNL 132 by LockNLube Sold out $55.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out This aluminum thread tester helps you easily identify thread patterns. Easily identify thread patterns for all common standard and metric grease fittings Made of solid aluminum