4" x 1" Steel, Reducing Washers

4" x 1" Steel, Reducing Washers – Electrical Enclosure Knockout Reducers 4" x 1" Steel Reducing Washers from Southwire are designed to reduce knockout sizes in electrical enclosures, cabinets, or sheet metal boxes. These washers are UL listed and suitable for use by electrical distributors and switchgear suppliers as part of wire and cable management and lighting solutions installations. Specifications Material: Steel Conduit Size: 4 x 1 IN Inside Diameter: 1.38 IN Outside Diameter: 5.5 IN Product Weight: 0.0074 lbs Manufacturer: Southwire Manufacturer Part #: 938 UPC: 751338194304 Features UL listed for safety and compliance Strong and resilient steel construction Available in multiple sizes to fit various knockout reductions Designed to be used in pairs to reduce knockout hole sizes effectively Zinc plated finish for corrosion resistance (per standard finish noted in catalog) Downloads & Links Spec Sheet