By lifting the lever the serrations are disengaged. The lever can be positioned by the serrations. On releasing the lever, the serrations are automatically re-engaged.
Material:
lever: Zamac;
insert: blackened steel stud, quality 5.8;
innerparts: blackened steel, quality 5.8.
Characteristics:
colour: orange (RAL 2004); black (RAL 9005); grey (RAL 9006);
type 1: plastic pin;
type 2: brass pin;
type 3: conical pin;
type 4: ball stud;
the version with ball stud (type 4) can be combined with the plastic pressure piece, see BG12.