This tool combination is designed specifically for tapping aluminum profiles, compatible with the 20/30/40 series European standard profiles (groove width 6-10mm). The locator ensures precise drilling/tapping positions, and the countersunk step drill adapts to different aperture requirements. The spiral tap optimizes aluminum cutting efficiency. The core advantages include high compatibility, anti collapse edge design, and fast positioning. Aluminum profile tapping assistant Compatible models: 20/30/40 series aluminum profiles (slot width 6-10mm), compatible with national/European standard profiles Functional design: Adjustable card slot: supports rail extension (length range 100-300mm), suitable for different cutting needs. Magnetic fixation: Built in magnet, quickly attached to the surface of the profile to prevent sliding Applicable scenarios: furniture assembly, cabinet frame processing, outdoor bracket installation Specifications: A: Tapping Aid Color: As Shown Material: Aluminum Alloy Package Contents: 1 set * tapping aids Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.