ITEM NAME:300 Pieces Mini Rubber Washer Watch Crown Waterproof Watch Repair Tools img *{margin:0;padding:0;.Play role in watch waterproof,suitable for watch repair and DIY watchmaker. 12 kinds of size Watch Back Gasket Rubber Seal Washers Set. 300pcs/box O Ring Watch Back Gasket. Material: Rubber. 3.25x1.75 x0.75mm.
