Features: l Let the sweeping robot easily climb over the height of 3.5cm or less l With the standard version no longer worry about more than 2.8cm threshold, you can match at will l Snap design, non-destructive installation, non-destructive removal, add a new height for your threshold, solid and secure l Add a total helper to your sweeper with a ramp texture perpendicular to the slope, adding climbing power to your sweeper l High-strength mesh floor, stronger pressure and impact resistance l Help you to extend your original height-enhanced threshold bars Specification: l Color: White l Size: 130x100x10mm l Suitable Threshold Height: Less Than or Equal to 3.5cm l Applicable Model: for Most Sweeping Robot l Quantity: 1 PCS Package: l 1x Height-Enhanced Threshold Bar Extension Parts