Clamping Kit, 7/16" T-Slot in Organizer Case 

58-piece clamping kit 3/8"-16, 7/16" T-Slot in organizer case.

This machinist clamping kit fits the 12 mm T-slots on the mini mill.

The t-slot clamp kit includes 24 3/8"-16 studs, 12 step blocks in pairs, 6 T-slot nuts, 6 flange nuts, 4 coupling nuts, and 6 step clamps.

Comes in an organizer case.

The stated dimension of the clamping kit is the width at the top of the T-slot.