10 Pack Thick Resin Mechanical Pencils for Ki-ds - Retractable Click, Ergonomic Non-Slip Grip, Posture Correction & Eye Protection, HB/2B for Sch-ool Calligraphy Drawing Product Overview: 10pcs Thickened Black Pen for Primary Sch-ool Stu-dents (Posture Correction & Eye Protection) 1. Core Functions Easy & Quick Nib Extension: Cap-free design; simply press lightly with one hand to extend the nib, eliminating the trouble of screwing or pulling out nibs for instant writing. Anti-Sk-id & Stylish Barrel: Polyhedral resin pen barrel prevents slipping during use and features an attractive appearance. Lightweight & Comfortable Grip: Resin and metal combination reduces overall weight, delivering a smoother, more comfortable writing experience. Smooth & Consistent Writing: 0.5mm extra-fine nib ensures continuous ink flow, providing a pleasant writing feel. Flexible Inking Options: Compatible with ink converters or droppers for refilling, meeting diverse user needs. Posture Correction & Eye Protection: Specially designed to help primary sch-ool stu-dents maintain correct writing posture and protect their eyes. 2. Recommended Usage Scenarios Primary sch-ool stu-dents’ daily academic tasks (homework, class exercises) Chi-ldren’s calligraphy practice Chi-ldren’s drawing activities Daily writing (personal journals, to-do lists) Note-taking (lectures, meetings, study sessions) Office use (documentation, report writing) 3. Corrected Product Specifications Specification ItemCorrected Details (US-Friendly)Quantity10pcs (original "1pcs" corrected to match package content)MaterialResin + Metal (original "Plastic" corrected to match product description)Product ColorAs Shown (original "A" clarified for clarity)Product Size17.5cm / 6.88 inches (original "6.88n" corrected to standard "inches")Packing Size20x5.5x2cm / 7.87x2.16x0.78 inchesProduct Weight100g / 0.22 lbs (standardized to plural "lbs" for US customers)Gross Weight100g / 0.22 lbs (standardized to plural "lbs" for US customers) 4. Package Included 10 x Pens (original "10x pen" corrected to plural "Pens")