I’ve decided to buy my brother some drills for him going self employed. Now I was thinking either Makita or possibly Bosch Professional:
Some I’ve found;
Bosch
https://www.screwfix.com/p/bosch-gbh-18v-24-c-3-2kg-18v-2-x-5-0ah-li-ion-coolpack-brushless-cordless-sds-drill/111fu...