Suggested Retail: $9.98. MENSI Propane Gas Grill Control Replacement Knob with Chrome Plated ABS Plastic Temperature Control Switch - These control knobs are designed for propane gas grills. The knobs have an outer diameter of 2.2 inches and a stem size of 0.315 inches, fitting most D-shape valves with 8mm shafts. They are easy to install, featuring a nonslip silicone ring for an easy grip. The knobs are made of high-quality plastic with a shiny chrome-plated finish. The pack contains 2 pieces. Brand: MENSI Model: SMT-XN003 -- LOT STICKER: TCE-BOX-BOXTCED0777-ITEM-a1e769ce___LPNRRIP7015637 MENSI 2 Pack 50mm OD Propane Gas Grill Control Replacement Knob with Chrome Plated ABS Plastic Temperature Control Switch with 0.315 Inch 8mm Stem -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.