General description Made of high-quality chrome vanadium steel, this SDS Max to SDS Plus Drill Chuck Adapter is designed for durability and professional use. The sandblasted surface helps prevent rust, ensuring a long-lasting performance. Technical specifications Material: Chrome vanadium steel Type: SDS Max to SDS Plus adapter Shank size: 40 Compatibility and accessories Fits all standard SDS Max drill bits Allows the use of SDS Plus drill bits in an SDS Max hammer drill