1. Aluminum Alloy The main body of the spring board is made of quality aluminum alloy with an anodized surface, CNC machined for rust resistance and durability. It serves as a woodworking table saw press feed guide, featuring doublebearing rollers for circular table saws. This multipurpose spring loc board is a carpentry safety drive aid tool. 2. Shock Absorption Flexible PU wheels enhance friction, ensuring shock absorption to prevent board deviation and deliver a more stable drive. The bearing guide roller, crafted from aluminum alloy, includes a sliding block for adjustability. This antirebound spring board is an essential auxiliary tool for disposable table saw feed guides. 3. Standard Guide Rail The table saw guide rail is compatible with 30 or 45 standard slots and can be fitted with a small slider for attachment to Tslots or brackets. Upgraded bearing roller spring boards are ideal for circular table saws, milling tables, band saws, and jig guide rollers. 4. Adjustable Height The spring board's height can be easily adjusted to accommodate wood thickness by installing it on a slide or Tslot. Designed for table saws, this doublewheel sliding guide roller spring board is a versatile woodworking auxiliary tool.