Welseal 12" 20/40 Letterplates ProDec Internal Measurements:

Internal Measurements:

Its latch and hookbolt with a double 8mm spindle have been tested to the highest standards for reliability and durability

Case Height 212mm Case Width Backset +15mm Centre Size 92mm/62mm  Backset 35mm or 45mm

it's built to last

allowing for the operation of multiple windows from one source

Welseal 12" 20/40 Letterplates ProDec Internal Measurements:The Welseal 12" letter plate from Yale is the perfect modern letter box for your home. Its smooth, rounded design includes sprung internal and external flaps, providing maximum security and draught exclusion. The flap opens up to an angle of 170, perfect for receiving mail with ease. Comes complete with necessary fixings and a black surround (except LP WEL1224WW). Also available in a smaller 10 inch size letter box (Welseal 10" Letterplates).