Sanding Block Prep Pen Refill - Bag Of 2 Refills For 3437 Pen | 8603438

The Pro‑Tek 3438 is a set of sanding block prep pen refill cartridges designed for use with Pro‑Tek prep pens and sanding block tools. These refill cartridges provide abrasive material for prepping, deburring, or finishing small areas on metal, paint, plastic, and other surfaces. Ideal for automotive bodywork, DIY prep tasks, and precision work, the 3438 refills help maintain consistent abrasion performance and prolong the life of your sanding tool.

• Designed for Prep Pens – Made to fit Pro‑Tek sanding prep tools for quick surface work.
• Quality Abrasive Material – Effective for removing rust, paint, wax, and surface debris.
• Easy to Replace – Simple install keeps your prep pen functioning at peak performance.
• Portable & Handy – Great for small, detailed sanding tasks in workshops or on the job.
• Extends Tool Life – Refreshes worn sanding surfaces without needing a new tool.