Profile of the key - paracentric to prevent picking and extended keyneck to allow the use of security accessories Pins - special security pins with wings and 2 tips per pin for enhanced securit Protected key blanks - patented to ensure keys cannot be duplicated by unauthorised parties Precision engineered using high quality materials Purpose built - a variety of cylinder shapes so one masterkey system can cover different applications Proven technology - all backed up by ASSA's considerable experand enviable reputation