2 Ear Zinc Plated Hose Clamp, 1 2 in OD, 0.425 in to 0.512 in dia, 0.276 in W, Steel ORS NASCO clean masonry forms clean masonry forms Compressible Graf Tite® high pressure seats withstand high temperatures and extend tip life In tip mix resists flashbacks for maximum efficiency Full swaging minimizes gas turbulence Concave tip end reduces backfire and resists flameout when base metal is accidentally contacted during cutting For hand visible deformation provides evidence of proper closure Deburred edges reduce risk of damage to parts being clamped Provides a degree of elasticity to accommodate changes in size of the parts being joined Compact one piece clamp for robust