Stirring Bar Kit PTFE, Kit contains: (2) each 5/16" x 1/2" (8 x 13mm), (2) each 3/8" x 2" (9.5 x 51mm), (2) each 5/16" x 5/8" (8 x 16mm), (2) each 3/8" x 2 1/2" (9.5 x 64mm),(2) each 3/8" x 1" (9.5 x 25mm), (2) each 2 mm x 7 mm Micro Bars, (2) each 3/8" x 1 1/2" (9.5 x 38mm), (2) each 3 mm x 10 mm Micro Bars.