Phelps Apex Series Diaphragm Elk Calls Type/Style/Model:Vertex ) fits sizes Nano-Pro 450-550

) fits sizes Nano-Pro 450-550

With a generous

sight dovetail

Width Axle-to-Axle: 7

Perfect for your home archery workshop

Phelps Apex Series Diaphragm Elk Calls Type/Style/Model:Vertex ) fits sizes Nano-Pro 450-550The Pinnacle Series diaphragm calls use a Tall Dome that is ideal for people with a tall pallet. These calls makes authentic bull and cow sounds. 3 calls equipped with 3 different latex thicknesses and stretch options to match your calling preferences. Pinnacle 1: Light Build = Light Air Pressure Pinnacle 2: Medium Build = Medium Air Pressure Pinnacle 3: Heavy Build = Heavy Air Pressure The Summit Series diaphragm calls use a Half Dome for people who