19-21mm Prolock Starter Kit

This starter kit includes a box of 19-21mm Prolocks (25), an application tool and a dead-blow hammer.

The 19-21mm Prolock Starter Kit is a trusted solution for keeping wheel nuts securely in place during operation on HGVs, buses, and coaches. With over 25 years of proven reliability, Prolock’s patented design ensures that wheels remain firmly attached, reducing the risk of wheel loss on the road.

Key Features

• Prevents wheel nut loss – keeps wheel nuts secure during operation, reducing the risk of wheel loss.
• Patented design – ensures secure fitment and reliable performance on the road.
• 25 years of proven reliability – trusted by fleets worldwide for securing wheels during operation.
• Compatible with 19-21mm wheel nuts – versatile fitment for most vehicles.
• Easy to install – quick and simple setup for fast, effective wheel safety.
• Ideal for HGVs, buses, and coaches – perfect for fleet maintenance and safety.
• Durable construction – built to withstand tough conditions on the road.

How It Works

Prolock wheel nut security clamps fit across 2 adjacent wheel nuts to prevent wheel loss on commercial vehicles. Once in place, it prevents the nuts from loosening over time, reducing the risk of wheel loss during vehicle operation

Check if this size is right for your vehicle with our PCD calculator HERE.