Mueller 511-811BC Square Head Galvanized Plug 4" Door Rollers (2) 21MM impact socket

(2) 21MM impact socket

Voltage : 1

Uses clear medium base bulb

Uses up to 3 remotes (1 included)

Installs with included screws

Mueller 511-811BC Square Head Galvanized Plug 4" Door Rollers (2) 21MM impact socket"B & K" SQUARE HEAD GALVANIZED PLUG For use with water and steam Rated to 300 PSI at 150 degrees F; steam 150 lb. PSI Class 150 standard fitting meets the following specifications: Material; ANSI ASTM A 197; Dimensions: ANSI ASME B. 16. 3, B16. 14, B16. 39; Threads: ANSI B1. 20. 1; Galvanized fittings meet proposition 65 low lead requirements 4" Retailer requests for larger diameter fittings program. WARNING: This product can expose you to chemicals