TST Backer Pads

TST Backer Pads come in a variety of types. Made of the highest quality materials for perfect balance and long life. Extra flexible for tight radius work. Flexible for everyday use. Rigid for flat polishing.

The TST Backer Pad – Black Rigid 4" is a high-performance polishing and grinding accessory designed specifically for professional stone, tile, and fabrication applications. Constructed from premium-quality materials, this backer pad delivers exceptional durability, perfect balance, and long-lasting performance, making it an essential tool for achieving smooth, consistent finishes on flat surfaces.

Unlike flexible backer pads that are ideal for tight-radius or contoured work, the rigid 4" design of this pad provides the stability and uniform support necessary for flat polishing and grinding applications. Its firm construction ensures even pressure distribution across the surface, minimizing vibration, chatter, or uneven polishing results. This rigidity allows professionals to maintain maximum control and achieve professional-grade finishes on large slabs, countertops, flooring, wall panels, and other flat stone or tile surfaces.

Built for professional use, the TST Black Rigid 4" Backer Pad is compatible with a wide range of hand grinders, polishers, and stone fabrication equipment. It works seamlessly with diamond and abrasive pads, supporting consistent contact and performance throughout the polishing process. This ensures smooth, even material removal and reduces the need for additional finishing steps, saving time while improving workflow efficiency.

The pad’s durable construction guarantees a long service life, even under heavy-duty use in high-volume fabrication shops or demanding project sites. Its balance and precision help reduce operator fatigue and improve accuracy during prolonged polishing sessions, allowing for consistent, high-quality results across every job.

By choosing the TST Black Rigid 4" Backer Pad, fabricators and tile professionals gain a tool that combines long-lasting durability, precise rigidity, and perfect balance, making it ideal for flat polishing tasks on natural stone, engineered quartz, porcelain, and ceramic surfaces. Its reliability and performance make it an indispensable accessory for professionals seeking smooth, even finishes with maximum control and efficiency.

Features

• Super Flexible 3”, 4”, 5”, 7”

• Flexible 3”, 4”, 5”

• Rigid 4”, 5”

Super Flexible

Flexible

Rigid

Adapter