The Split Flange kit Packing including:2 Sets 2.5" Split Flange,4 blolt.4 nuts Split Flange Repair Kit is Iron galvanized and rust-proof. The Split Flange Repair Kit is Iron galvanized and rust-proof. the Hole size :2.5"/63.5mm is Pefect fitting 2.5"/63.5mm Exhaust Pipe Split Flange is 8mm Thickness and It is good degsin for Replacement Exhaust Flange Repair Rwraps 2 Packs 2.5" Split Flange Repair Kit,Iron galvanized Exhaust Flange 63.5mm/2.5 Inch 2 Bolt Flat Split Flange Repair Replacement Kit