Astro Pneumatic. Operates both internal and external rings, Heat treated chromium-molybdenum steel, Comfortable insulated vinyl handles.Set Includes:5-1/2" Bent Pliers with. 038" (1.0mm) Tip6" Straight Pliers with. 038" (1.0mm) Tip5-1/2" Bent Pliers with. 047" (1.2mm) Tip6" Straight Pliers with. 047" (1.2mm) Tip7-1/2" Bent Pliers with. 070" (1.8mm) Tip8" Straight Pliers with. 070" (1.8mm) Tip8-1/2" Bent Pliers with. 090" (2.3mm) Tip9" Straight Pliers with. 090" (2.3mm) Tip 1 pc.