Monarch Rainbow Butterfly Knife Balisong The Monarch butterfly knife has a slim design and superb action for a budget balisong. Spectrum finished 440 stainless steel clip point blade with decorative blood grooves and two highly functional tang pins that improve lock-up and reduce blade wear. The handles are rainbow finished steel with parallelogram cutouts that look great and offer improved grip. The knife is constructed with Torx screws for easy adjustment of the knife. Specifications: Specifications: Overall Length: 8.90" Blade Length: 4.10" Blade Thickness: 0.11" Cutting Edge: 3.75 Handle Length: 4.80" Closed Length: 5.10" Handle Thickness: 0.40"