From The Anvil - Polished Chrome 5" Heavy Duty Tubular Deadbolt - 51711 Style_Square Corners The bolt is slid into

The bolt is slid into the staple and the finger knob is rotated to engage in the housing slot thus locking it in position

Knob Diameter - 20mm

From The Anvil - Polished Chrome Brompton Mortice/Rim Knob Set (Art Deco) - Polished Chrome - 46779

Heritage Brass Door Bolt Necked Flat 6 Polished Brass finish

Millhouse Brass Crompton Lever Door Handle on Concealed Round Rose - Urban Dark Bronze - MHCR100UDB

From The Anvil - Polished Chrome 5" Heavy Duty Tubular Deadbolt - 51711 Style_Square Corners The bolt is slid intoFrom The Anvil Polished Chrome 5" Heavy Duty Tubular Deadbolt 51711 Polished Chrome Dimensions Tube Size: 129 (L) x 23mm (H) x 15mm (T) Backset: 108mm Forend Size: 60mm (L) x 25mm (W) Frame Keep: 60mm (L) x 25mm (W) This heavy duty tubular deadbolt is suitable for use with any of our bathroom thumbturns and 5mm spindle. Performance tested against BS EN12209: 2003. CERTIFIRE Approved (Certificate CF5531) and fire tested to FD 20 30 60. This heavy duty