Wide range of application: Whether it is a glass door or an aluminum door, as long as there is a certain space and a thumb twist lock is installed, bypass tool can be used. Nondestructive Entry: In an emergency, if you 't to the lock or door, just use lock pick tool, maybe just a few seconds. ADJUSTMENT: Just turn the tail handle to achieve adjustment, easy for the knob to stuck. QUIET UNLOCKING: The width of the top opening of J tool is suitable for most thumb turn locks and can be opened with a simple twist of the lock. : Metal colour: As shown Package Contents: 1 x Bypass Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.