Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si This wok ring with non-sharp edge on both end is best useful for round bottom wok to . Universal size for gas stove fry pans. For round bottom woks, wok ring should smaller than the desired wok diameter. Height: 1.57 Inches; Bottom Diameter: 11.8-Inch; Top Diameter: 10.43-Inch. Wok ring has a durable construction, perforated sides on a flat steady rim. Wok Rack can be to support woks when cooking on a regular range. With this ring, narrow side , heat wok on small fast electric . It is -frugal, heat raises and drops quickly, and food as it would on gas . All coils are covered, so all energy is used. Ring fits outside coils perfectly. Flat-bottom wok sits enough to absorb all heat. Gap dissipates heat all over wok, so food does not burn. Gap is small, so flat bottom and flat coils bump and limit wok movement colour:Silver material:stainless steel size:26.5x30x4cm Package Contents: 2x wok racks Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.