Pilot FriXion Ball Knock Zone Refill 0.7mm Blue 2 pieces LFBKRF50F-2L 3 packs

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