The product is authenticated by BSI Manage System. The certificate NO. is FM81167. Its scope is BS EN ISO 9001:2000. Tip size: 0.7mm/ HB Barrel color: Blue, red, purple and orange. Feature: Mechanical pencil, comfort of use assured by fully automatic mechanism.Metal plunger and clip. Eraser at the top.Both ideal for school and office. Package: 36pcs/display, 1,296pcs/carton. Carton size:46.5cm*31.9cm*43.8cm. Certified: REACH RoHS ISO9001:2008 EN71-1 EN71-3 EN71-9 MSDS ASTM We can supply: Ball pen Gel pen Mechanical pencil Metal pen Promotion pen Plastic pen Fountain pen Highlighter Markerpen Note book Stick Note School bag Oil pastel etc.