Equipped with an extra strong spring to ensure our weighty knob sets and levers always return to position. We recommend using a 2.5" or 3" latch with our lever handles, and a 3", 4" or 5" latch with our knob sets. For matching rebate kit, see product code 91106. A perfect match for our Black ironmongery. Forend Size: 60mm (L) x 25mm (w) Strike plate: 65mm (L) x 25mm (W) Tube Size: 24mm (H) x 15mm (T) Backset: 44mm