Setup blocks come in a metal case with 1/16inch, 3/32inch, 1/8inch, 5/32inch, 3/16inch, 7/32inch, 1/4inch, 5/16inch, 3/8inch, 7/16inch, 15/32inch, 1/2inch, 23/32inch, 3/4inch, 1x2x3inch bars. Easy-to-read laser-etched labels on gauge block set, can set the height of the fence, router bits, saw blades and other according to the needs. Anodized soft aluminum designed to prevent damage to your router bits or saw blade if contact is made during setup. Organized and tightly protected by metal case, insuring none will ever go missing during transportation or using. Set up bar is the must have tool for construction, woodworking and home DIY, also the best gift choice for these enthusiast. Colour: black Material: aluminum Package Contents: 15 x Setup Gauge Blocks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.