Black Diamond Trekking Pole Rubber Tip Protectors. Works on all BD poles except the First Strike Distance Series Z-Poles aluminum ski poles and Helio Fixed Length Carbon ski poles. Sold in pairs. Specifications for Black Diamond Trekking Pole Tip Protectors: Manufacturer: Black Diamond Color: Black Condition: New Age Group: Adults Package Contents: Black Diamond Trekking Pole Tip Protectors Black Diamond BD1120790000ALL1: Trekking Pole Rubber Tip Protectors