Editorial Review 'Straight Blade, Material Steel, Size 4-3/4 In., Overall Length 5, Application Cutting Urethane for Automotive Purposes and Caulking for Commercial and Residentail Purposes, For Use With Mfr. No. FSC 1.6, FSC 1.6Q, AFSC 18, Includes (2) Pack of Blades, Number of Pieces 1, Package Quantity 2'