The Connect poles feature a convenient magnetic quick-release for the strap, so you dont have to slip your hand in and out every time. The package includes 55 mm baskets for dry terrain and 95 mm baskets for activities like snowshoeing and touring. - Tube diameters: 18, 16, and 14 mm - Adjustable length: 72.5 - 140 cm - Weight: 290g per pole - 2-year warranty against material and manufacturing defects - Tungsten carbide tips with removable Crossover feet - Made in France The package includes two poles. The magnetic pull in the strap mechanism is low, but although it has not been shown to interfere with pacemaker operation, the manufacturer advises users to keep the pole tips at least 15 cm away from a pacemaker. If you are uncertain or experience unusual sensations while using poles with magnetic features, consult your doctor or pacemaker provider to ensure safe use.