Mini Balisong Butterfly Knife Key Chain Blade Sale! from 1295 /per Color Black Gold Silver Blue Red Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. The Mini Butterfly Knife Measures 3.5" Inches. It includes a keychain for easy carry and fully function for use. Overall Length 3.5" Inches Blade Length 1.5" Inches Includes Keychain Made Out Of 440 Stainless Steel Tweet