STORM TROOPER® Series TACTICAL KIT SPEAKER MICROPHONES have Replaceable Radio Cable only. Tactical Kit comes standard with PTT-1500B (Hockey Puck) PTT but can be upgraded ($35 list) to Belt-mount junction box and Finger PTT. Includes a 3.5mm earphone jack and 2-year warranty.
Fits many HYT models including: TC-1600, TC-500, TC-600, TC-610, TC-620, TC-700, TC-700EX
Very similar to the Motorola 2-pin except this one has a screw to lock it in place.