Knob for inside opening 140x108 mm recessed lock

Ball for internal lock opening built-in 140 × 108 mm – mechanical operation from inside Supplementary element designed for built-in locks measuring 140 × 108 mm, allowing them to be opened from the inside of the door. It is mainly used in cases where the lock needs to be operated without a key – for example, for safety, handling, or escape reasons. • Designed for 140 × 108 mm locks – compatible with built-in lockable types. • Used for internal mechanical opening of doors without a key. • Simple and safe operation – by pulling the ball. • Suitable for doors, lids, and access hatches of enclosures, trailers, or service boxes. • Ideal as a security or service accessory. • Easy installation directly onto the lock body from the inside. • Recommended to be combined with a lock with a cylinder on the outside.