Manufacturer ChiaoGoo Manufacturer part number 2504-7 GTIN 812208023688 Availability ChiaoGoo SPIN Bamboo Interchangeable Tips 4"-Size 7/4.5mm SIZE 7 -SPIN BAMBOO TIPS 4 $10.50 Qty: Add to cart Add to compare list Add to Wishes-N-Wants View These hand-crafted, patina tips are made of Moso bamboo. The copper, nickel-plated join is crimped and glued to ensure a secure connection. The size is laser imprinted on each tip. This package contains two 4 inch long interchangeable tips. Size: 7/4.5mm. Imported.