1、Multiple Uses: Setup blocks can be used to set the height of fences, blade bits and other tools as needed, and can be combined to measure for a wide range of variations or sizes, or used individually for quick work and measurements. 2、Specifications: Each setup block is 3in long, while the specifications are 1/16in, 3/32in, 1/8 in, 5/32in, 3/16in, 7/32in, 1/4in , 5/16in, 3/8in, 1/32in, 7/16in, 15/32in, 1/2in, 23/32in, 3/4in, 1x2x3in. 3、Anodized: The setup blocks are anodized for better protection of the milling cutter and saw, resisting denting and not dulling the cutting edge. 4、Easy to Read: Each setup block has an easy to read laser etched scale. Comes with a suitable case for your storage. 5、High Accuracy: The setup blocks are made with high accuracy to bring accurate reference during your woodworking operations or other industrial operations. Item Type: Setup Block Material: Aluminum alloy Specification: (1/16in, 3/32in, 1/8 in, 5/32in, 3/16in, 7/32in, 1/4in , 5/16in, 3/8in, 1/32in, 7/16in, 15/32in, 1/2in, 23/32in, 3/4in, 1x2x3in) x 1 Setup Block Length: 3in Accuracy: ±0.001in 16 x Setup Block 1 x Storage Box