Stauff CRA 542 ACT DP AS U W5 K 642012 Beta Clamp Kit, 42 mm Tube OD, Smooth Bore, 316 Stainless Steel, Polypropylene Cushion, Rail Mount 16903 Contact Form SPDT IP Rating Contact Form SPDT IP Rating IP54 Features Explosion proof and weatherproof housing provides device protection for outdoor use or harsh environment operation Cord Options Corded Earplug Color Red Series HL400 Noise Reduction Rating 32 dB Earplug Shape Bullet Earplug Material Foam Earplug Pair Pack Type Canister Pairs Per Package 400 For Use With Ear Plugs Dispenser Lid Style Hinged Lid Metal Detectable No Capacity Pairs of Earplugs 400 Pairs Standards ANSI S3 Bore Style Smooth Clamp Material 316 Stainless Steel Clamp Material Finish Elastomer Clamp Type Rail Mount Assembly Cushion Material Polypropylene For Maximum Outside Diameter 42 mm For Number of Lines 1 Hardware Material 316 Stainless Steel Includes (1) Rail Nut 000 psi Maximum Operating Temperature 194 Degrees F Minimum Operating Temperature 13 Degrees F Mount Type Rail Mount Resistance Properties Corrosion Resistant Series Standard Standards API RP 552