Claimed Weight: [Contact/Neve] 3.5 oz, [Cyborg] 3.9 oz, [Sabertooth/Serac] 3.7 oz, [Stinger] 3.2 oz * Compatibility: Contact/Neve, Cyborg, Sabertooth/Serac, Stinger * Material: dual-density plastic * Recommended Use: crampons * Manufacturer Warranty: 1 year