Hardened steel piton Singing Rock A5 for medium-width cracks. * for cracks up to 5 mm * intended for aid climbing, first ascents, mountaineering, rock climbing. Weight: 103 g • 3.6 oz (7 cm) Strength: 5 kN Length: 5 cm Certifications: CE 1019, EN 569:2007, PSA 89/686/EEC Material: Cr–Mo hardened steel