These knobs are unsprung so must be fitted with a heavy duty double sprung tubular latch
Finish: Polished Nickel
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, Polished Nickel – OE50RMKPN (sold in pairs)
£37.19
.    You save
10 in stock
Buy in bulk and save more..
£37.19
1
piece
£34.21
(8% off)
30 pieces
£33.47
(10% off)
50+ pieces

Zoo Hardware 4 Inch Grade 13 Ball Bearing Hinge, Pvd Stainless Brass (Sold In Pairs)
Zoo Hardware Fulton & Bray Hat & Coat Hook, Polished Brass - Fb72
Frelan - J9501PSS 102X102MM Ss Ball Bearing Hinge
Push Plate - Shaped -300x75mm
Zoo Hardware Zas Double Hat & Coat Hook, Satin Stainless Steel
Cabin Hook -250mm
Zoo Hardware 4 Inch Grade 201 Washered Hinge, Satin Stainless Steel (Sold In Pairs)
Zoo Hardware Contract Mushroom Mortice Door Knobs, Satin Chrome (Sold In Pairs) 