Sealey SDSADA SDS Plus Adaptor SDS Plus to 1/2" x 20 chuck adaptor threaded to suit most SDS machines such as Bosch, Makita, Hitachi etc. SDSADA Features SDS Plus to 1/2" x 20 chuck adaptor threaded to suit most SDS machines such as Bosch, Makita, Hitachi etc SDSADA Specification Model No SDSADA Brand: Worksafe What is included: 1 x Sealey SDSADA SDS Plus Adaptor