With a scale and tripod screw, this rail slider allows for precise front-to-back and left-to-right adjustments. It is especially useful for macro photography where accurate focus positioning is critical. The camera platform can be moved forward, backward, left, and right with smooth, controlled motion. Equipped with measurement markings, it enables accurate distance tracking for consistent results. The slider features a stable design that easily attaches to any standard tripod. It offers a 10 cm travel range in both horizontal and lateral directions, allowing for subtle push-pull and shift effects ideal for focus stacking and macro techniques. Precision adjustment is essential in macro photography, and this tool provides reliable parallel and depth control. Constructed from lightweight PPS plastic material, it supports medium-sized cameras while keeping overall weight low. The drive mechanism uses a spiral gear system for smooth, stable, and continuous movement, ensuring fine-tuned adjustments without slippage. Color: Black Material: Plastic Size: 35 cm Package Contents: 1 x Tripod Rail Slider Head Note: Light and display differences may cause slight color variation between the image and actual item. Measurement allows for an error of +/- 1-3 cm.