Compatibility: Specifically designed for metalworking projects, this 2PCS level accessory kit enhances and stability in your work, ensuring that every measurement and adjustment is accurate and reliable. : Manufactured with meticulous attention to detail in , these level accessories for the Top-con AT-B4A model boast superior craftsmanship and are built to last, providing exceptional value and performance. Safe and Chemical-Free: Our footscrew limit block compensator set contains no harmful chemicals, making it a safe choice for your metalworking needs. You can use these accessories with peace of mind, knowing they meet stringent safety standards. Effortless Installation: Designed for easy setup, these level accessories can be quickly installed on your Top-con AT-B4A device, allowing you to get back to your metalworking projects with minimal downtime. Description/Features: your AT-B4A levels are always operating at with these essential accessories. This set includes 2 footscrew limit blocks designed specifically for the AT-B4A model. Crafted from materials and finished in classic black, these components are perfect for professionals seeking reliable and precise adjustments. Specifications: Quantity: 2 pieces Color: Black Compatibility: AT-B4A construction for lasting reliability and performance Material: Metal+Plastic Package Contents: 2* Limiting Blocks 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.