Pilot FriXion Ball Knock Zone Refill 0.5mm Black 2 pieces LFBKRF50EF-2B 3 packs

Pilot FriXion Ball Knock Zone Refill 0.5mm Black 2 Pieces LFBKRF50EF-2B × 3 Packs Body Size (approx.): [Ball Diameter] 0.5mm Package Size (approx.): Width 3.2 × Depth 5 × Height 5.8mm Color: [Ink] Black Ink Type: Water-based Gel Ink Quantity: 2 Pieces