Music City Metals 93001 Steel Wire Rock Grate Replacement for Select Gas Grill Models by Arkla, Broilmaster and Others Listing is for 1 rock grate. 12.25 x 20.125 inch steel wire heat dispersal media grate, rectangular Fits Arkla 635NG, U3501, U3521, U3561; Broilmaster D4, G-4, G-4 TSXPL, G-4 TSXPN, G-4 TXPL, G-4 TXPN, P4, U4; Charmglow U3507, U3521, U3561