PACKAGE INCLUDES: 840 pencils refills in total, 0.7mm HB pencils refills are 60mm long, every 12 pencils refills are one tube, total 70 tubes. HIGH QUALITY MATERIAL: Our 0.7mm pencil refills are made of high quality resin to ensure durability and a smooth writing experience, making every writing clear and crisp. UNIVERSAL SIZE: Each 0.7mm HB pencil lead is approximately 60mm, compatible with most mechanical pencils on the market, meets a variety of daily writing needs, a must-have for your stationery. SUITABLE FOR EVERYDAY WRITING: Whether it's for school work, art drawings or office notes, our pencil refills meet a variety of daily writing needs, making them a must-have for your stationery. CONVENIENT STORAGE: Packaged in a compact hard plastic case with an easy-to-remove blue lid, our pencil refills are aesthetically designed to ensure easy storage. 840 Pencil Leads - More Pencil Leads Large quantity Fully satisfy your daily use and can be shared with family, classmates, colleagues and friends. Common size 0.7 mm HB refills, universal size, fits most mechanical pencils. Resin lead refills are stronger Improved writing experience Stylish and simple. Quantity: 70 tubes (840 pieces) Diameter: 0.7 mm Length: 60 mm Colour:black Material:Resin Package Contents: 70 * tubes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.