MILL BAY - COBBLE HILL 11Pipe bar clamps. Perfect for wood working. Variety of sizes. All 11 for $100. The clamp fittings without the pipes are normally about $30 each plus tax https://www.canadiantire.ca/en/pdp/mastercraft-h-style-pipe-clamp-fixture-set-for-3-4-in-pipe-quick-release-0572583p.0572583.html