Closed end with ultrasonic bottom stop
Closed end with regular bottom stop
Closed end with two slider back to back
Closed end two way two slider
 
Open end two way
Closed end two way with two sliders
Closed end regular
Open end regular
 
Closed end with two slider back to back
Closed end two way with two sliders
Open end regular
Closed end regular
 
Open end regular
Closed end regular
Closed end two way with two sliders