LDY Sirius V4.5 Balisong 7075, original design,popular aluminum balisong LDY Sirius V4.5 is the latest version, with innovative original design that makes more and more flippers like this brand. Sirius V4.5 has modified the blade and handle texture based on V4. The innovative design shows LDY's pursuit of precision engineering and provides a refined flipping experience for beginners and experienced fin enthusiasts. The handle is made of high-quality 7075 aluminum alloy. LDY is famous for its excellent quality and durability. The perfect tolerance makes the flipping experience a level higher. Sirius V4.5's stylish appearance and flipping performance make it stand out among original balisong. Sirius V4.5 offers two handle textures: slanted and vertical. Both designs can provide stronger grip and no difference in flipping balance.