Flex 5.5-inch Backing Pad for XC 3401 VRG — Hook-and-Loop Adapter, 10,800 RPM, Black

Flex 5.5-inch backing pad is a Germany-made hook-and-loop pad adapter designed to fit the XC 3401 VRG polisher, providing a smooth, durable surface for attaching polishing pads up to 10,800 RPM.

This backing pad converts your Flex XC 3401 VRG rotary/orbital polisher into a reliable polishing system by offering a stable, smooth contact surface and secure hook-and-loop attachment. Built with a 5.5-inch mounting face and a 6.25-inch overall diameter, the pad balances coverage and control for metal, fiberglass, and aluminum surfaces. Its half-inch thickness helps dampen vibration while keeping the tool responsive, and the carbon-black finish resists wear during repeated use.

Will this backing pad fit my Flex XC 3401 VRG?

Yes — the pad is specifically compatible with the Flex XC 3401 VRG model. It uses a hook-and-loop attachment system that matches industry-standard polishing pads and physical fittings for this polisher.

• Designed for the XC 3401 VRG tool model
• 5.5-inch mounting face for common polishing pads
• Hook-and-loop surface accepts most foam, wool, and microfiber pads

How safe is it to run at high speed?

The backing pad is rated to a maximum of 10,800 RPM, so it’s suitable for aggressive polishing tasks when used within that limit. Always confirm your polisher’s speed settings and inspect the pad for damage before high-RPM work to ensure safe operation.

• Maximum rated speed: 10,800 RPM
• Half-inch thickness provides some vibration damping
• Durable construction reduces deformation at higher speeds

What surfaces and pads work best with this backing pad?

The smooth-faced backing pad is intended for use on metal, aluminum, and fiberglass, and pairs well with a wide range of pad types. Use it with foam, wool, or microfiber polishing pads for compounding, finishing, and light cutting tasks on automotive and marine finishes.

• Compatible substrates: aluminum, fiberglass, metal
• Works with foam, wool, and microfiber hook-and-loop polishing pads
• Smooth texture helps deliver even polish and consistent pad contact

What are the pad’s dimensions and build details?

The backing pad features a 5.5-inch working face and measures approximately 6.25 inches across the outside edge, with a 1/2-inch thickness providing structural support. Made in Germany, it combines robust materials with a hook-and-loop surface engineered for repeated pad changes.

• Working diameter: 5.5 inches (mounting face)
• Outside diameter: 6.25 inches; thickness: 1/2 inch
• Color: black; texture: smooth; made in Germany

Who this is for: Professionals and serious hobbyists who use the Flex XC 3401 VRG polisher and need a dependable, hook-and-loop backing pad for metal, fiberglass, or aluminum finishing tasks. Choose this pad if you want German-made durability, a balanced working diameter for both control and coverage, and a smooth surface that pairs with a variety of polishing pads.