Pilot Frixion Ball Knock Zone 2 refills per pack x 3 packs Refill, 0.7mm, Blue, (LFBKRF50F-2L)

Body size (approx.): [Ball diameter] 0.7mm Package size (approx.): Width 3.2 x Depth 5 x Height 5.8 mm Color: [Ink] Blue Ink type: Water-based gel ink Quantity: 2 pieces LFBKRF50F-2L X3