Product Information Seal: Klingersil® C-4401 Select a Product Part NumberMaterialSize WF61Plated Iron1-1/2" (40mm) WF26-1Plated Iron/Steel1/2" x 3/4" (15mm x 20mm) RWF61316 Stainless Steel1-1/2" (40mm) WF81Plated Iron2" (50mm) WF26Plated Iron/Steel3/4" (20mm) RWF51316 Stainless Steel1-1/4" (32mm) WF36Plated Iron/Steel1" (25mm) WF6Plated Iron/Steel1/2" (15mm) WF51Plated Iron1-1/4" (32mm) WF3Plated Iron/Steel3/8" (9.5mm) WF111Plated Iron3" (75mm) WF96Plated Iron2-1/2" (65mm) RWF26316 Stainless Steel3/4" (20mm) RWF36316 Stainless Steel1" (25mm) RWF81316 Stainless Steel2" (50mm)