Best Blocks

Learn the professional process of prepping for, and spraying a flow coat with Hammer Fab Academy. Taught by veteran painter Heath Henderson (32+ years in the industry), This FREE class talks you through the basics of what a flow coat is, and the steps required for success. Just add to your cart and hit "checkout"-This one's on us!

Introducing Hammer Fab’s Professional Sanding Blocks — “Best Blocks” Starter Set – Flexible Hard Blocks (1/8” HDPE - 3 Blocks) This three-piece kit is the perfect entry point into Hammer Fab’s premium sanding system. Each block features a 1/8” HDPE base for unmatched flexibility while maintaining a laser-straight sanding surface. The CNC-machined 1” EVA foam handle provides comfort and controlled grip, with each block size clearly marked for easy identification. Includes 6”, 10”, and 20” lengths — the go-to tools for high-end body and paint work where flawless results matter most. Proudly made in the USA by real craftsmen. Starter Set – Semi-Rigid Hard Blocks (1/4” HDPE - 3 Blocks) This three-piece kit delivers the next step in sanding precision. Each block is built on a 1/4” HDPE base, offering a semi-rigid profile for a firmer sanding experience while still maintaining subtle flex. The CNC-machined 1” EVA foam handle ensures comfort and control, with each block size clearly labeled for quick identification. Includes 6”, 10”, and 20” lengths — designed for body and paint professionals who demand a straighter cut and tighter surface control. Proudly crafted in the USA by real craftsmen. Combo Set – Flexible + Semi-Rigid Blocks (1/8” and 1/4” HDPE - 6 Blocks) The best of both worlds in one kit. This six-piece collection combines the flexible 1/8” HDPE blocks from Set 1 with the semi-rigid 1/4” HDPE blocks from Set 2, giving you the complete range of control for any body or paint job. Each block is topped with a CNC-machined 1” EVA foam handle for comfort and precision, with all sizes clearly marked for easy identification. Includes 6”, 10”, and 20” lengths in both flex and semi-rigid versions. Proudly made in the USA by craftsmen who understand what perfect surfaces demand.

This set includes 7", 10", and 14" soft foam sanding blocks Take your bodywork finish to the next level with this 3-piece Soft Foam Sanding Block Set. Designed for precision shaping and contouring, these lightweight, flexible blocks deliver the perfect balance of stiffness and conformability—ideal for working on curved surfaces, subtle transitions, or high-build primer