Replacement Extension Arm and Ring Sensor for Handset Lifters 4 inch extension arm with movable rubber stoppers to cradle handset secures handset on HL10 lifter Extension arm attaches to lifter to extend the length of the arm to accommodate the rounded shape of Nortel 3900 phones and other non-standard phones like ShoreTel Includes ring sensor – a 16 inch cord with a 2.5mm plug on one end, and the ring sensor on the other Includes plastic “lego” piece enclosed for Nortel i2004 phones Note: this kit is included FREE with the purchase of Handset Lifters Genuine Poly accessory BTP Model: PL-71483-01MFR Part: 71483-01, 8A7E3AA
