stainless steel.
Accessory: 2 stainless steel screws M4x8 mm.
Suitable for striking boxes for sliding bolts:
Order no. 557053: 144ET, 146ET, 147, 147B Case width 30 mm
Order no. 557054: 144ET, 146ET, 147, 147A, 147B Case width 40 mm
Suitable for cased locks:
Order no. 557053: 140R, 140RD Case width 30 mm
Order no. 557054: 140R, 140RD Case width 40 mm