Knife Pivot Lube Original (store SKU KPLORIG). 15 WT fully synthetic oil, 10 mL, non-staining crimson, needle 14 mm long with 0.70 mm aperture. Official uses: folding-knife moving parts, flippers, detent tracks and bearings, disassembly, and as a rust-preventive blade coating. Temperature rating -40°F to 400°F. Made in the USA. Specs from KPL's Original Knife Oil page.

The 15 WT KPL. This is Original, not Ultra-Lite or Heavy.