UTOBEST 1/4 Inch Track Spikes, Alloy Steel Track Shoes Spikes Replacement for Track and Field Sprinting Cross Country, 1.13 Grams, Hollow Pyramid Design with Spike Wrench, 20-30 Kilometers Usage, S01

ALLOY STEEL: 2 times harder, 50% more wear resistant and 20% lighter than cheap steel spikes.

With 20,000-30,000 meters of use per UTOBEST track and cross country running spikes, you can use this lighter spike for daily training or professional competition without frequent replacement, making it a more cost effective option.

HOLLOW INSIDE: Unique hollow inside design makes 20% lighter than general steel spikes, only weights 1.13 grams, helping you to get better achievement on race/train/examination.

UTOBEST spikes for track shoes adopt hard steel for durability 'n tough, rust-resist and anti-corrode.

STRONG COMPATIBILITY: 1/4inch (6.35mm) fits most running shoes, 32pcs replacement track spikes are enough for daily usage.