“The Wacker seams perfect” ™ controls and compresses those unruly multi-layer seam allowances without compromising the small 1/4 seam allowance; no more pressing seams open, no more removing stitches to twist/spin and no more clipping into seams, just steam- wack- press and done! The original and ONLY Wacker seams perfect ™ tool. Size handle 7-7/8" L head 3" long X 1-1/4" diameter, weights 4 oz. Made in the USA!