Bosch 1618571014 Chuck Keyed 2.5 to 13mm SDS-PLUS With Key

Bosch Chuck Keyed 1/2in x 20 UNF with Key - Bosch 1618571014, These Keyed Chucks from Bosch have a 1/2in. X 20 UNF thread fitting and are supplied with a key. Keyed chucks up to 13 mm 2.5 - 13 mm, SDS-plus, Hammer-resistant version. Bosch 1618571014 Chuck Keyed 2.5 to 13mm SDS-PLUS With Key

Price: 79.99 from Rapid Online Rapid Electronics Ltd.