Highlights:Material: RubberShape: RoundRubber construction with a black finishHelps eliminate leaksAssortment includes one each of the following: #117 O-ring 3-3/4ODx3-1/2 ID x 1/8 D, #118 O-ring 3-3/4ODx3 3/8 IDx3/16D, #119 O-ring 3-7/8 ODx3-5/8 IDx1/8 D, #120 O-ring 4ODx3-3/4 IDx1/8D, #121 O-ring 4-1/2 ODx3-7/8IDx1/8D, #122 O-ring 5-7/8ODx5-5/8IDx1/8D

Highlights:Material: RubberShape: RoundRubber construction with a black finishHelps eliminate leaksAssortment includes one each of the following: #117 O-ring 3-3/4ODx3-1/2 ID x 1/8 D, #118 O-ring 3-3/4ODx3 3/8 IDx3/16D, #119 O-ring 3-7/8 ODx3-5/8 IDx1/8 D, #120 O-ring 4ODx3-3/4 IDx1/8D, #121 O-ring 4-1/2 ODx3-7/8IDx1/8D, #122 O-ring 5-7/8ODx5-5/8IDx1/8D