Adam Hall 17254TP Butterfly Latch large, Butterfly-Latch, Large size, In flat crank dish (10 mm deep), Material: Galvanised steel, Mounting holes: Ø 5.1 mm, Weight: 450 g@+*Please note:* Large and medium sized butterfly latches are spring loaded. Pressing in on the latch snaps them out to a 30º position for easy access. You can then handle the latch normally.