... and revenue for companies that rent these intuitive and convenient drills. Our professional drills are available in the following models: – Demolition drill with 11.5 Joules of power and a weight of only 9.5 Kg, including 3 bits ranging from 12-40Mm with a maximum drilling capacity of 150Mm, electric. – Demolition drill with 7.8 Joules of power and a weight of only 7.8 Kg, including 3 bits ranging from 12-40Mm with a maximum drilling capacity of 120Mm, electric. – Impact drill with 18 Volt power and a weight of only 900 grams.