Features: Stainless steel material, will not affect the service life and accuracy due to rust. Quick positioning adjustment, free adjustment of the width of the cutting board from 0-32cm, very convenient. With a horizontal bubble design, the angle is accurate, and the cutting is more precise. Accurate measurement with dual rulers. Both sides of the guide rails have precise scale marks, high accuracy. Very light and easy to carry. Manual trimming and electric circular saw can be installed. Specification: Model: 4 inch 5 inch universal model Cutting range: plaster, wood board, ceramic tile, etc Note: Due to different production batches, there may be slight differences in products. Material: Stainless steel Color: Silver Package Contents: 1 x Saw Guide Rail 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.