This trowels ‘camel back’ handle is ergonomically shaped with a soft grip for comfort during prolonged use. The arched shape also allows for extra knuckle clearance.
The notches are important. They leave an even and consistent amount of mortar down to set your tiles.
A notched trowel is used to spread adhesive and thin-set.
It is always better to use a larger trowel than you might need for the installation. As a rule, the larger the tiles the larger the trowel.