This E-28 earhook is a LOK Style Earpiece which is used with Two and Single Wire Surveillance Earpiece's. The E-28 features Female Snap Lok, C shape earhook with Ear Bud, Can be worn on either ear and easily snaps into the main single or two wire kit.

The E-28 is only the earpiece and requires the additional of the following wire kits- M-27AC/LOK  2 Pin w/Screws wire kit or M-27C/LOK 2 Pin w/Screws wire kit.

This E-30 earhook earpiece is a LOK Style Earpiece which is used with Two and Single Wire Surveillance Earpiece's. The E-30 features Female Snap Lok, C shape earpiece with Replaceable Fit Eartip, Can be worn on either ear and easily snaps into the main single or two wire kit.

The E-30/LOK is only the earpiece and requires the additional of the following wire kits- M-27AC/LOK  2 Pin w/Screws wire kit or M-27C/LOK 2 Pin w/Screws wire kit.

This E-32 is a LOK Style Earpiece which is used with Two and Single Wire Surveillance Earpiece's. The E-32 features Female Snap Lok, D Style Comfort Soft Rubber Earpiece, Can be worn on either ear and easily snaps into the main single or two wire kit.

The E-32/LOK is only the earpiece and requires the additional of the following wire kits- M-27AC/LOK  2 Pin w/Screws wire kit or M-27C/LOK 2 Pin w/Screws wire kit.