The BRITON 570 Series Dogging Device Kit is suitable for use with Briton 570 Series panic hardware. It features a manual hold-open function which is operated by key, holding the latch in withdrawn pos...
This Maco gearbox mk3 has an 8mm single spindle, a 35mm backset and 92mm centres. Old style locks are not interchangeable with newer versions so please examine the photographs carefully...