HJ Design Racing Products, or RDRP in short, are unlike other aftermarket companies and focus on self-designed accessories, components and tools never seen in this form or function before to make setting or maintaining RC-Cars not only easier but also a lot more fun.

All products are designed in Germany and manufactured using global sources to ensure the highest possible quality standards at a reasonable price. All parts are made from high-tech materials like aircraft-grade 7075-T6 aluminium and high-quality spring steel, sport laser-etched scales and markings for the highest possible precision and easy-to-work-with attributes and are designed and tested to create the most durable and functional tools known to mankind.

The HJ Design Racing Products Ultra Arm Reamer is a must have item when preparing a new body shell. Making use of the proven RDRP tool handle for effortless usage the reamer is equipped with a high-quality spring steel reamer tip. The stepped design allows to drill holes from 3mm up to 11mm in diameter. A vented safety cap protects the tip as well as your hands and other tools in your pit bag. The black anodised handle sports the proud Revolution Design Racing Products logo to make the reamer stand our.