Genmitsu 2pcs Clamp Blocks, 8 Adjustment, Workholding Spacer for Vise & Hold Down Clamps, Expand Clamping Range for CNC Router Machine

["Wide Compatibility: Designed to fit most CNC clamp kits and step clamps, while also pairing with select compact vises—offering flexible workholding across a wide range of setups.","Optimized for Tall Workpieces: Maintains level clamping on taller materials, delivering even pressure distribution and a more secure, reliable hold.","Enhanced Grip with Grooved Steps: Precision 5 mm stepped design with anti-slip grooves minimizes shifting and improves overall clamping stability.","Hard Anodized for Long-Term Use: Durable hard-anodized finish resists wear, corrosion, and daily workshop abuse for extended service life.","Adjustable Height & Extended Range: Functions as a riser block to increase clamping height with longer bolts, while expanding vise capacity for added versatility."]