DUNLOP JD921 Round Stainless Steel 11.5 oz. Steel Guitars of Canada » Online Store » Accessories » Bars » DUNLOP JD921 Round Stainless Steel 11.5 oz. DUNLOP JD921 Round Stainless Steel, 11.5 oz., 1" x 3 3/4" This large round-nosed stainless steel tone bar is quite often used as a practice bar due to its large diameter & weight, to build up your bar hand strength...(some akin to lifting weights). Price: $54.00 Updating cart...