π¦ Product Description The OLFA Metal Hyper Pro Series Utility Knife is a professional-grade cutting tool designed for durability, precision, and heavy-duty applications. Constructed with a strong aluminum die-cast body, it features a fully hardened stainless steel blade holder that resists bending and deformation. The ergonomic X-design handle provides a secure, anti-slip grip for improved control and comfort. Each knife comes equipped with a sharp black blade for precise cutting and supports multiple replacement blade types, making it suitable for professional and everyday use. A lanyard hole is included for attaching a safety cord (not included) to help prevent accidental drops. π¦ Product Variants β 230B β Screw Lock Type Blade Lock: Screw Lock Provides firm and secure blade fixation Ideal for precision and heavy-duty cutting β 231B β Auto Lock Type Blade Lock: Auto Lock Slider One-touch blade adjustment Quick and convenient operation π¦ Key Features Heavy-duty aluminum die-cast body Hardened stainless steel blade holder Ergonomic anti-slip X-design grip Replaceable blade system Pre-installed sharp black blade Lanyard hole for fall prevention π¦ Compatible Blades OLFA Large Replacement Blades OLFA Black Blades (Sharp Type) Speed Blades (Large) Wavy Blades (Large) π¦ Size & Specifications (cm & inch) Model Length (cm) Length (inch) Height (cm) Height (inch) Weight 230B 16.3 cm 6.42 in 3.6 cm 1.42 in 130 g 231B 16.35 cm 6.44 in 3.65 cm 1.44 in 120 g