GSC International 4-CBS-06 Cork Borer Set – 6 Piece Set with Cleaning Rod – Sizes 5mm to 13mm – Nickel-Plated Brass Punch Tool for Corks and Stoppers – Ideal for Chemistry Labs, Classrooms, or Home Science

The GSC International Cork Borer Set includes six precision-cut tools designed for punching clean holes in corks and rubber stoppers. Each borer is made from durable nickel-plated brass with tapered cutting edges for smooth boring. Sizes range from 5mm to 13mm, making this set suitable for a variety of lab experiments and classroom demonstrations. A metal cleaning rod is included to easily remove material after cutting. To maintain performance, the borers should be sharpened before first use and as needed. This set is ideal for physics and chemistry experiments that require glass tubing insertion or gas collection setups.

Precision Punch Tool: Set of 6 cork borers made from nickel-plated brass with tapered ends for cleaner cuts

Varied Sizes Included: Six diameters from 5mm to 13mm for versatile use in science and lab projects

Simple to Use: Twist and press the borer into cork or rubber stoppers to create clean holes

Easy Material Removal: Use the included cleaning rod to remove core material after boring

Sharpen as Needed: May require sharpening before first use to ensure optimal cutting performance

⚠️ Proposition 65 Warning for California Residents:

WARNING: This product may expose you to chemicals including styrene and/or bisphenol A (BPA), which are known to the State of California to cause cancer, birth defects, or other reproductive harm.

For more information, visit www.P65Warnings.ca.gov.

This item is not a toy. It is intended for use in educational, scientific, or professional settings only. Adult supervision is required at all times. Improper use may result in injury or damage. Always follow safety guidelines and wear appropriate protective equipment when handling.