Compatibility: connector locking screw compatible with motorola walkie talkie radio speaker mic and earpiece of models XPR6100, XPR6300, XPR6350, XPR6380, XPR6500, XPR6550, XPR6580, XPR7300, XPR7350, XPR7380, XPR7500, XPR7550, XPR7580, XPR7350e, XPR7380e, XPR7550e, XPR7580e, SRX2200 APX900, APX1000, APX4000, APX6000, APX6000LI, APX6000XE, APX7000, APX 7000XE, APX8000, APX8000XE, APX8000H, APX8000HXE Material: screw head made of engineering grade plastic, screw body made of steel metal Qantity: 3pcs screws