* This product have three specs in diameter of the turning foot:4.8mm， 6.5mm and 7.0 mm.You can choose a right pick one by one. * Unique 4-claw pick with telescopic function.Distance between the pick and the first pin of the lock can be adjusted， which can adjust the distance between the turning foot and lock head.  * It can be used to open lock quickly. * From the date of purchase， we will guarantee good quality for  mending， replacing with reasonable conditions.*Qualified item，fast post shipping. THE PROFESSIONAL LOCKPICKS IS DESIGNED FOR LOCK MASTER ONLY.