PRODUCT FEATURES Reviews Featured Products Standard 3/8" MPT Standard Steel Plug - Zinc Coated $1.33 Add to Cart Foster 1/4" MPT Foster Steel QC Plug - Zinc Coated $1.27 $2.27 Standard 1/4" FPT Standard Steel Plug - Zinc Coated $1.07 Add to Cart Standard 1/4" MPT Standard Stainless Steel Plug $3.27 Add to Cart