Martin Yale, PREAQ701G, Premier Aquaball All-Purpose Moistener, 1 Each, Gray

All-purpose moistener moistens fingertips, stamps, labels, envelopes and more. Unique floating ball lubricates without the mess of standard roller-type units. To refill, simply unscrew the lid, fill with water and screw the lid back on. Martin Yale Premier Aquaball All-Purpose Moistener, Gray

Moistens fingertips, stamps, labels, envelopes and more Lubricates without the mess of standard roller-type units Stays in place with a nonslip base Overall dimensions: 2-3/4" x 3-3/4" x 2-1/4" Can be used with water or with vitamin E oil