316 Stainless Steel ABA Original 1/2" / 12mm Hose Clamps. All Parts are Made of 316 Stainless Steel. ABA Original S50 "W5" Hose Clamps. 1/2" / 12mm Band Width. ABA Original Clamps Feature an Extra Strong One-Piece Pressed Housing. Rolled-Up Band Edges and a Smooth Band Underside That Protects the Hose. All Acid-Resistant Marine Grade 316 Stainless Steel. Trouble-Free Clamp with High Clamping Force and High Breaking Torque. Perfect Choice for Applications Where Premium Corrosion Resistance is Required. SAE Standard J1508 Type FE. Slotted Hex-Head Screw.