bbq factory&reg; Replacement Stainless Steel BBQ Gas Grill Heat Plate / Heat Shield JPX391 (4-pack) Select Gas Grill Models By Kirkland (Costco)720-0439, 720-0600,Sams Member's 720-0582, 720-0582B Gas Grill and Others (4-pack) Stainless Steel Heat Plate Dimensions:15 3/8" x 5 1/8" Material: Stainless Steel Fits Kirkland (Costco) Models : 720-0439, 720-0600 Fits Member's Mark Models : 720-0582, 720-0582B Material: Stainless Steel Alternate Part# NGKIRHP1 Make sure you measure size before you order