HPLC 2-Stack Fastener Kit, Gray, Used For Secure HPLC With Base Buckles To Countertop And Equipment Buckles To Two Stacked Components On Both Sides, Includes Two Fastener Assemblies: (2) 2 in X 2 in Countertop Buckles With 3M(R) VHB Adhesive, (4) 1 in X 2 in Equipment Buckles With 3M VHB Adhesive,(2) 12 in Coated Locking Straps, (4) Surface Prep Pads, Instructions