This item is a T-SLOT NUT- 3/4 -10 THREAD - 1" TABLE SLOT SIZE 1-3/4"LONG. The brand is TE-CO and th...View MoreThis item is a T-SLOT NUT- 3/4 -10 THREAD - 1" TABLE SLOT SIZE 1-3/4"LONG. The brand is TE-CO and the manufacturer number is 41421. Known as TE-CO 41421. Windsor Factory Supply (WFS) SKU is 18041421. View Less