Features - Color: Black. - 【Sizes】: 38 30 51mm/1.49 1.18 2.0in 38 34 51mm/1.49 1.33 2.0in 38 38 51mm/1.49 1.49 2.0in - Material: TPR Silicone. There is a gear design inside the grip, which is perfectly compatible with the ambition tattoo machines.
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