Personna 63-0222 Folding Carpet Knife Personna Folding Carper Knife, Includes 5 Blades Folding carpet knife Easy load Folding design fits in your pocket Accepts round or square cornered carpet blades This product is manufactured in China Pull button for easy folding close. Quick easy blade change Comes with 6 blades Blades are high quality Personna brand steel.