AUSTOR 132 Pieces Aluminum Oxide Sanding Drum Set with Free Box

16-CONCENTRIC NEEDLE DESIGN Arranged in a fixed circular disc, the 16 ultra-fine needles stir coffee grounds along perfectly aligned paths for even distribution and improved puck consistency | ELIMINATES CLUMPS & EDGE BUILDUP Breaks up dense areas and air pockets across the puck, ensuring a smooth, level bed and reducing the risk of channeling during extraction | ADJUSTABLE DEPTH CONTROL Stepless depth adjustment lets you customize needle penetration based on basket size and doseperfect for 18g, 20g, or 22g doses | CNC BODY & MAGNETIC BASE Crafted from premium stainless steel and anodized aluminum, with a magnetic base for convenient storage on metal surfaces | SPARE NEEDLES INCLUDED Comes with 36 replacement 0.25mm needles and a needle installation tool, making it easy to maintain performance over time