https://www.troemner.com/Calibration-Weights/Hooked-Weights-and-Slotted-Weights/Slotted-Weights-and-Slotted-Weight-Sets/Weight-1P-Slot-1-16oz-CL6-No-Cert-TR/p/80852252
1/16oz Slotted Weight ASTM Class 6 (RPLC NIST Class F) no Cert., 80852252
1/16oz Slotted Weight ASTM Class 6 (replaces NIST Class F) without a Certificate Item ID 80852252