Black Diamond Tech Tips-Rubber. Works as replacement tip for our Spring 2012 and later only trekking poles and all model Z-poles. Does not work with First Strike Trail Back Syncline poles. Sold in pairs. Specifications for Black Diamond Tech Tip - Rubber: Manufacturer: Black Diamond Age Group: Adults Weight: 0.3 oz Package Contents: Black Diamond Tech Tips-Rubber Black Diamond BD1121180000ALL1: Tech Tips-Rubber