Ultimate Support JS-SP50 JamStands Series Adjustable Subwoofer Pole

Ultimate Support JS-SP50 JamStands Series Adjustable Subwoofer Pole The JS-SP50 is exactly what you need for your subwoofer/satellite speaker PA system. It’s adjustable in height from 31.5" to 52.5" and mounts between a subwoofer cabinet with a top mounting hole and a speaker with a bottom mounting hole (1.375" for both). The JS-SP50 features both a friction locking knob and a security pin system and is made from durable steel. Key Features Heavy-duty construction Height adjustable from 31.5" to 52.5" Friction locking knob with security pin 1 3/8" upper and lower tubes Technical Specifications Product Name JS-SP50 Part Number 17509 Height 31.5” - 52.5” (800mm - 1334mm) Upper Tube Size 1.375” (35mm) Lower Tube Size 1.375” (35mm) Weight Rating 110 lbs. (50 kg) Weight 3 lbs. (1.4 kg)