HHIP 3900-0301 Adjustable Clamp Assembly, 3/8-16" x 3" T-slot Bolt T-slot 3/8" Clamping (Stud x Length) 3/8"-16 x 3" Clamping Range Up to 1-3/4" Each Width 1-1/4" One piece assembly allows quick set-up on mill tables with T-slot Instant height adjustment. PRICED PER EACH