Energizer EZ Turn & Lock Size 13 Hearing Aid Battery - 8 Pack Sigma SA-Mount 10 exclusive low-dispersion glass elements

10 exclusive low-dispersion glass elements

Extremely useful with heavy equipment long lenses and spotting scopes

The tube diameters are also optimized: the final leg section of a 4 section Series 1 tripod is now 22

A new device that expands the possibilities of lenses

Energizer EZ Turn & Lock Size 13 Hearing Aid Battery - 8 Pack Sigma SA-Mount 10 exclusive low-dispersion glass elementsThese come in packages offering convenience and portability. Our longest lasting zero mercury hearing aid batteries ever. EZ Turn & Lock design keeps unused batteries safe and secure. Batteries are easily removable from the access tab on the back but only when you WANT to remove them. You are in control with the Energizer EZ Turn & Lock package. Longer tabs clearly marked with the size and color make for easy shopping handling and insertion. 100%