TK631 Nils Extreme Trekking poles have telescopic structure, that allows to adjust the pole length in a quick and easy way, in proportion to the user’s height. TK631 Nils Extreme Trekking poles have a non-slip and ergonomic grip made of special synthetic material with adjustable strap. Inner anti-shock system, absorbs vibration and ensures joints protection even during intensive marching (anti-shock system can be easily disabled at any time). Trekking poles TK631 are designed for mountainous terrains, both hardened and soft surfaces. Trekking is a sport that comprehensively develops the muscular system, and greatly improves the efficiency of our body. Muscles of the buttocks, lower legs, thighs, arms, shoulders, chest and abdomen are working while walking with poles. Involving in exercise such a large muscle group has a really positive impact on increasing our overall physical fitness. We also have in set tips for Nordic Walking and trekking poles are made in the shape of a plate. TN103 Nils plates prevent poles from collapsing into the soft or muddy ground during the march.Specification: Two, triple sectioned poles with length adjustment possibility – from 65 to 135 cm Weight: 661 g Material: aluminum 6061 System anti-shock: yes Ability to disable anti-shock system: yes Plate diameter: 5 cm Opening diameter: 14 mm Grip: ergonomic, made of rubber Adjustable strap Peak: hardened steel Additional tips: yes two rubber walking pads for the asphalt surfaces two replaceable plates for special training on soft surfaces Optional, additional, interchangeable accessories available: pads and plates Cover: none Remarks: Not for commercial use 24 months warranty Importer: Abisal Ltd. | Poland | 41-807 Zabrze | Pyskowicka Street 17 | e-mail: abisal@abisal.pl Abisal Ltd.. declares that the products sold by the company are safe and meet the requirements contained in the Act on General Product Safety of December 12, 2003. (Journal of Laws of December 31, 2003)