Swivi Lockster  
Description:
·Push button locking feature allows parts to swivel 120 degree. ·Easy to engage and disengage.
Material: Acetal(POM) Nylon/(NY)
Size:  Male/Female  Male/Female 
1'' (25mm)  1-17777/1-17778 1-07898/1-07899 
1-1/2'' (38mm)  1-07759/1-17760 1-07900/1-07901