How much does this cost to the nearest dollar?

SCHMIDT 888 Technology Ceramic Rollerball Plastic Tube Refill Broad Point 1.0mm, Blue, 2 Pack Blister
Schmidt liquid ink refills offer great performance and easy handling. This convenience is owed to an easy and smooth gliding over the paper. Pen manufacturers all over the world rely on liquid ink refills from Schmidt Technology. Safety Ceramic Rolling ball Refill with metal tube. Stainless steel tip with 1.0 mm, broad point ceramic ball. The safety technology features extended shelf-life characteristics. Suited for use in pens without cap sealing. 2 Piece Pack. Manufacturer YAFA, Brand SCHMIDT, Weight 0.32 ounces, Dimensions 4.35 x 0.25 x 0.25 inches, model number

Price is $6.00

Price: $6.25