This is a Package of Five #18 Heavyweight Wood Chiseling Blades from X-Acto. FEATURES: High quality carbon steel For deep cross and smooth wood chiseling Use on balsa, wood, linoleum and bass wood 1/2" edge Carded packaging INCLUDES: Five #18 Heavyweight Wood Chiseling Blades REQUIRES: Hobby Knife SPECS: Length: 1-3/4" (4.4cm) sdw 11/2/01 ir/kh