Here's what other sites are saying:
Corrosion-resistant and strong yet lightweight 7075-T6 aluminum shafts provide reliable support, mile after mile. Durable plastic handles have an easy-to-hold ergonomic shape; adjustable straps support the wrists. Easy twist-lock mechanisms lock the two-section, telescoping poles at the desired length, easily adjusting to changing terrain and different users. Sized for young hikers, these trekking poles adjust from a minimum of 34 to a maximum 47 inches. Strong stainless-steel tips with trekking disks are trail tough.