Top quality ear notchers made by Stone Manufacturing in the U.S.A.
They come with an adjustable depth gauge.

MEDIUM availble in V and U suitable for mid grown stock
Cuts a notch up to 15mm deep, and 12mm wide at base.

LARGE available in V and U suitable for full grown stock.
Cuts a notch up to 22mm deep, and 200 wide at base.

Triangle Key-Hole ear notcher. This special triangle ear notcher produces a triangle hole with 20mm sides.
Quality stainless steel tool with ear release bar to ensure clean exit of the punch head from the ear.
Length overall 29cm.