Olfa KB4-R/5 Curved Carving Art Knife (5 Blades in a Pack)

OLFA 8mm Curved Carving Art Blade Set, 5 Blades (KB4-R/5) - Precision Hobby Craft Knife Replacement Curved Blade Kit for Carving, Cutting, Sculpting, Fits Most 8mm Art Knives

OLFA Graphic Art Knife Set (AK-4) - Precision Hobby Craft Knife Kit (1 Knife & 4 Blades) w/Cushioned Grip, Replacement Blades: OLFA KB, KB4-F/5, KB4-NS/3, KB4-R/5, KB4-S/5, KB4-WS/3 Art Blades

OLFA 8mm Chisel Art Knife Blade Set, 5 Blades (KB4-F/5) - Precision Hobby Craft Knife Replacement Chisel Blade Kit for Plastic, Wood, Film, Fits Most 8mm Art Knives