COMMONLY USED WITH 10 SERIES ALUMINUM EXTRUSION PROFILES. ROLL-IN T-NUTS ALLOWS INSTALLATION ON PROFILE WITH CLOSED ENDS. INSTALL ROLL-IN T-NUTS ANYWHERE ON THE T-SLOT OF AN EXTRUSION PROFILE. NO MACHINING REQUIRED WHEN USING A T-NUT AND A BOLT TO MOUNT CORNER BRACKETS, JOINING PLATES, AND ANCHOR FASTENERS. SET SCREW ALLOWS TO SET POSITION OF T-NUT JN THE SLOT TRACK. COMPATIBLE WITH 80/20 PART # 3313. T-SLOTTED HARDWARE ESSENTIAL - 24 COUNT