40 Premium Triangle BP Rubber Grip Purple Pens - 3 FREE - Swash BBT40BK, The dependable, premium ballpoint pen in a medium tip - supplied with Black ink. Popular with teachers and students alike; anyone wanting their notes to stand out; for general sketching; or a bright & vivid writing style. KOMFIGRIP rubber-grip with triangular barrel gives ergonomic, relaxed hold - ideal for regular and sustained writing. Smart translucent barrel with contrasting Black tint. Premium tamper-resistant design prevents parts from being removed - ideal for use in schools. Ventilated polypropylene safety-caps conform to BS7272 and feature a handy pocket-clip. Airplane-safe - leak-resistant when in a pressurised environment. Superior 1.0mm long-life nickel silver tip with tungsten carbide ball, plus high-performance oil-based, low-viscosity ink gives smooth, blob-free writing performance. Supplied as a pack of 40 pens in a handy desk tidy-style box; simply tear along the perforations to give easy acce