Manufacturer: UltraTech, Manufacturer Part Number: 1118 You will need to purchase one (1) UT–1118–0001, Assembly Kit, with each Ultra–Modular IBC SpillPallet order. The order size does not matter – you will just need one (1) UT–1118–0001 per order. The Assembly kit is reusable for assembling any number of units and includes a hole saw, arbor and set of two (2) tightening tools. SPECIFICATIONS4 lbs.1 kitincludes hole saw, arbor, set of two (2) tightening tools