
About this item
Specific for Atra locks. External anti-burglary protection for doors and windows. Suitable for locks of armoured doors and wooden entrance doors, in carbonitrided steel, with semi-spherical profile. With standard 38 mm fixing holes and Flex System that makes the screws 5 times more resistant than traditional ones, and class 4 certified. Dimensions: Ø 50 mm, fixing holes 31 mm M6. Recommended panel hole 51 mm. Height 25 mm.