Midwest Fastener provides a full line of welded fastening products. We provide a complete line of fasteners to meet user needs. We set the standard for Insulation Fasteners and Stud Welding products in a wide range of applications. We are committed to make a display resets as hassle-free as possible. Features 2.12 x 2.5 x 0.18 O-Rings Fatigue testing machine Elevated temperature Stress Rupture Hardness testing Plating thickness testing Salt spray testing De-embrittlement testing Made in USA 4 Pieces Specifications Diameter 1: 2-1/8" Diameter 2: 2-1/2" Thickness: 3/16" Material: Rubber Nominal Size: No.330 Type: O-Ring Weight: 0.23 lbs - SKU: MWFST58148

Midwest Fastener provides a full line of welded fastening products. We provide a complete line of fasteners to meet user needs. We set the standard for Insulation Fasteners and Stud Welding products in a wide range of applications. We are committed to make a display resets as hassle-free as possible. Features 2.12 x 2.5 x 0.18 O-Rings Fatigue testing machine Elevated temperature Stress Rupture Hardness testing Plating thickness testing Salt spray testing De-embrittlement testing Made in USA <li