Multi-functional Pen Tool includes the following features : 

• Dual-head screw bit (Philip and flathead)
• Stylus
• Ruler (length up to 4 cm)
• Ballpoint pen
• Carabiner on the top
• Available in various colors

Material :

• Metal handle

Size closed :

• Length of 11.7 cm (9.2 cm w/out keychain) x Diameter of 10 cm
• Weight of 23 grams