Ovilukko t1

Esteri 5, 7, 10, 12, 15, 23, 10 HS, 12 HS, 15 HS, Ipso/Talpet HF-65, HF-95, HF-110, HF-132, HF-165, WE-55, WE-73, WE-110, WE-132, WE-165, WE-234

Koneisiin, joissa luukun lukituskela koneen yläosassa.