The ProX X-SAAMX2PKG is a package of 2 T-SAA-M poles and exactly what you need for your subwoofer-speaker PA system plus it comes with a carrying bag for the pair. They are adjustable in height from 32" to 63" and mounts between a subwoofer cabinet with a top mounting hole and a speaker with a bottom mounting hole sized at 1 3/8" (35mm). The T-SAA-M features both a friction locking knob and a security pin system and is made from durable steel. Fits: Standard 1 3/8" (35mm) Speaker Pole Pockets and Subwoofer Pole Pockets Features: Height adjustable from 32" to 63". Friction locking knob with security pin. Upper Tube Size: 1 3/8” (35mm). Lower Tube Size: 1 3/8” (35mm). Weight Rating: 120 lbs. (54.4 kg). Weight: 3 lbs. (1.4 kg). All Steel Construction. Built-In Safety Pin. Ergonomic Tension Knob Height Adjustment. ProX Carrying Bag Included. 1. Authorized Dealer - Full warranty 2. Best Price Guarantee - We will beat any price 3. UP to 6 months Zero Interest Financing available 4. This product is available and ready to ship