The Alpen Force X Sds-Plus Drill Bit (30.0 X 450/400) Is A High-Performance Drilling Tool Designed For Heavy-Duty Applications In Tough Materials Like Concrete, Masonry, And Stone. With A Diameter Of 30Mm And A Length Of 450Mm (With A Working Length Of 400Mm), This Drill Bit Is Ideal For Creating Large Holes For Anchors, Pipes, And Other Installations. The Sds-Plus Shank Ensures Secure Fitting In Rotary Hammers, Facilitating Quick And Easy Bit Changes. Its Robust Construction And Advanced Design Provide Excellent Durability And Cutting Efficiency, Making It A Reliable Choice For Professional Contractors And Construction Workers Looking For Effective Drilling Solutions In Demanding Environments.