The BOSCH #1618571014 SDS-PLUS ADAPTER is a high-quality unit made in Germany that allows for easy conversion of a rotary hammer to a 3-jaw 1/2" chuck. This product is designed by the trusted brand BOSCH and includes one unit in the package. It is a reliable tool accessory for those in the business and industrial sector working with drills and hammers. The SDS-PLUS ADAPTER ensures a secure fit and efficient functionality for various drilling tasks.