1-handed activation with fixed safety shield. Audible & tactile click confirming safety device activated. Color coded hub. Made USA 50/Bx 8Bx-Cs #833810 3ml 18x1” #833010 3ml 20x1” #833015 3ml 20x1.5" #833110 3ml 21x1” #833115 3ml 21x1.5" #833210 3ml 22x1” #833215 3ml 22x1.5” #833310 3ml 23x1” #833558 3ml 25x5/8” #833510 3m 25x1” #833515 3m 25x1 1/2” Latex Free UNSPSC#42142609