McMaster 7727K283 Thick Wall Steel Seamless Pipe Nipple, Threaded on Both Ends, 1 1 4 Pipe Size, 2" Long 39Z978 000 Degrees F With Grommet 000 Degrees F With Grommet Without Grommet With Grommet Material Weight 32 oz sq yd Standards FM Approved Material Uncoated Fiberglass Welding Protection Sub Category Blankets Features Stress Relief Grommet Placement 24 in Centers on Four Sides Protective Material Weight 35 oz sq yd Grommet Material Brass Fastener Type Grommets Protective Material Color White Resistance Properties Abrasion Resistant Overall Weight Capacity 3 Seamless — Pipe has a smooth interior for unrestricted flow and is stronger than welded pipe but this pipe shouldn’t be used in corrosive environments