Description : 1. Heigh stength anodized finish aluminum shaft. 2. Heavy duty vinyl tip for safety and silence. 3. Push button adjusted type. 4. Type: (1) TOP-0590A metal cuff and plastic silence. (2) TOP-0590B plastic cuff and plastic silence. (3) TOP-0590C metal cuff and metal silence. Specification : Adjustable height: 1. Adult (A): 39"~51". 2. Youth (Y): 35"~47". 3. Child (C): 32"~44".