Description Specifications Literature Accessories Description Parker Seal Nut and Washer ThredSeal Kit for 70 Series Go Switches. 3/8" Zinc plated steel with nitrile rubber (standard). State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Product SpecificationsMaterial:Zinc Plated SteelDimensions:1" Literature & Docs Product Details Accessories GO Switch 7I-23523-A3 Model 7I Limit Switch GO Switch 7I-23529-A2 Model 7I Limit Switch GO Switch 7I-23523-A4 Model 7I Limit Switch GO Switch 7I-2356H-H2 Model 7I Limit Switch Was: Now: $830.00 Add To Cart The item has been added GO Switch 7I-23528-A3 Model 7I Limit Switch GO Switch 7I-23568-A2 Model 7I Limit Switch Was: Now: $601.00 Add To Cart The item has been added