Durable Material: This Straight Hole Puncher Is Made Of 6061 Aluminum And Is Anodized, Which Is Not Easy To Rust And Corrosion, And Is More Durable.Adjustable: The Eccentric Wheel Of This Hole Punch Positioner Is Equipped With A Clear And Precise Scale. You Can Adjust It According To The Thickness Of The Board To Accurately Know The Position And Distance Of The Punch, Which Makes Punching Easier.Precise Positioning: This Punch Positioner Is Convenient To Hold, Fast And Stable, And Punches With Precision. Accurate Positioning, Precise Calibration, Quick Clamping, Improve Drilling Efficiency.Easy To Disassemble: This Woodworking Hole Puncher Is Very Convenient To Install And Disassemble, You Can Disassemble Or Assemble It According To Actual Needs , And There Are Different Models To Choose From.Small And Portable: These Tools Are Small In Size And Easy To Carry. They Are Ideal Tools For Carpenters, Construction Workers, Etc. They Are Very Suitable For Beginners Or Professionals.