SDS-Plus Adaptor

For intensive use one shank drill bit to another shank drill bit.
For example:use of an SDS-plus drill bit, prefer using an SDS-plus hammer drill power tool.
Designed for use of SDS-plus drill bits with an SDS-max hammer.
SDS-max PLUS chuck mounted on an SDS-max attachment.
 The size and shank structure can be selected according to demands.