Description: 【Applicable】: Base and Slotted positioning ruler is suitable for edge trimming machines with an inner diameter of 65mm and is suit for the fixed hole positions of various edge trimming machine bases 【Multi functional design】: Base and Slotted positioning ruler has multiple functions such as milling circular grooves, cutting circular blocks, carving center points, etc., to meet the needs of different carpenters 【Double handle】: Router Base is equipped with double handles for easy fixation of the trimming machine, ensuring stability 【Easy to adjust】: Base and Slotted positioning ruler allows users to easily loosen fixing nut and adjust it up and down to adapt to different track adjustments, making slotting using more flexible 【Aluminum alloy material】: Base and Slotted positioning ruler uses lightweight and sturdy aluminum alloy material to reduce weight while ensuring the stability of the base, making it easy to carry and operate Specification: Material: Aluminum Alloy Size Chart: Slotter Base Plate Size 244mmx90mm/9.61inchx3.54inch Packaging Size 40cmx21cmx6cm/15.75inchx8.27inchx2.36inch Package Includes:1 Base and Slotted Positioning Ruler Set Note: Please allow slightly errors 1-2cm differences due to manual measurement.