Shrandi Aluminum Heating Block is a reliable lab tool for heating 2ml-50ml sample vials including crimp top types. Made of high-quality aluminum it provides good thermal conductivity and corrosion resistance. The multi-hole design supports parallel reactions while the durable build handles up to 400°C. It fits 75-type and 130-type vials making it suitable for various lab heating tasks. Securely packaged for safe delivery.