Key Features Cast aluminum alloy mounting is securely attached with rivets to the tempered steel blade The hardest blade available making them last longer Notch style and size help to control depth and amount of adhesive applied Resilient DuraSoft handle provides a soft feel reduces fatigue and offers excellent durability Notched trowels v-notch ceramic wall tile premier line notch size 1/4 inches x 3/16 Use to spread adhesive or mastic on the base surface before laying tile carpet or other floor coverings. Notch style and size help control depth and amount of adhesive applied. Curved DuraSoft handle provides soft feel reduces fatigue and offers excell ent durability. Aluminum alloy mounting riveted to a hard tempered steel blade. Use to spread adhesive or mastic on the base surface before laying tile carpet or other floor coverings. Notch style and size help control depth and amount of adhesive applied. Curved DuraSoft handle provides soft feel reduces fatigue and offers excellent durability. Aluminum alloy mounting riveted to a hard tempered steel blade. Use to spread adhesive or mastic on the base surface before laying tile carpet or other floor coverings. Notch style and size help control depth and amount of adhesive applied. Curved DuraSoft handle provides soft feel reduces fatigue and offers excell ent durability. Aluminum alloy mounting riveted to a hard tempered steel blade.