These knobs are unsprung so must be fitted with a heavy duty double sprung tubular latch
Finish: Matt Gun Metal
Dimensions: 50mm Knob Diameter, 76mm projection, 70mm Rose Diameter
Ensure latch chosen provides sufficient back set to distance the knob from the door frame
On fire doors we recommend 4″ Heavy Duty latches with mortice door knobs
Supplied & sold in pairs complete with fixings
Atlantic Old English Ripon Solid Brass Reeded Mortice Knob, Matt Gun Metal – OE50RMKMBN (sold in pairs)
£47.14
.    You save
10 in stock
Buy in bulk and save more..
£47.14
1
piece
£43.37
(8% off)
30 pieces
£42.42
(10% off)
50+ pieces

Large Centre Door Knob, Satin Chrome
Zoo Hardware Rosso Maniglie Draco Euro Lock Multi Point Door Handles On Narrow 220Mm Backplate, Polished Chrome (Sold In Pairs)
Rebated BB Hinge - Stainless Steel -100x88x3mm
Trafalgar PN Square cupboard knob
M Marcus Round Centre Door Knob (80mm Dia Rose), Smooth Black Iron
Cylinder Pull Pss Oval Profile
Zoo Hardware Zcs Architectural Blank Profile Escutcheon, Polished Stainless Steel
Zoo Hardware Foxcote Foundries Ball Mortice Knob, Black Antique (Sold In Pairs)
Eurolite Stainless steel Switched Fuse Spur - Satin Stainless Steel
Zoo Hardware Contract Mushroom Rim Door Knobs, Polished Chrome (Sold In Pairs) 