Product Information Material: Buna Select a Product Part NumberIDODThickness DTW1501-5/8"2-1/8"3/16" DTW2502-5/8"3-1/4"1/4" DTW3003-1/8"3-25/32"1/4" STW1501-9/16"1-15/16"3/16" STW2502-9/16"3"1/4" STW1001-1/32"1-5/16"3/16" STW2001-9/16"1-15/16" RTW1501-9/16"1-3/4"3/16"