Specification Brand Uni-ball Mitsubishi Condition New Ink Color Blue Origin Japan Description - 0.7mm ball point - Oil based ink - Refill length: 87.7mm - Item code: SXR-80-07 Compatible with: - Jetstream 3 color multi pen (SXE3-400-07) - Jetstream 2&1 multi pen (MSXE3-500-07) - Jetstream 4&1 multi pen (MSXE5-1000-07) - and Others (Please check the Uni-ball official website) This Item Includes - Uni SXR-80-07 Jetstream Multi Ball Pen Refill 0.7mm, Blue x 1 pcs Uni SXR-80-07 Jetstream Multi Ball Pen Refill 0.7mm, Blue USD $0.99 Item Weight: 10g