Rotagrip Ltd   Parallel Set 1/2" 4 Pairs   Description   • Made of high grade alloy steel hardened and ground.
• Two holes in each parallel for easier handling and greater versatility for setups.
• Accuracy 0.0001" Parallelism in height, +0.0002 to size in height.
• Supplied in fitted plastic case.
• Please note the colour of the box may be different from the photo.   Comprised of the following sizes:   6 x 1 x 1/2"
6 x 1.1/4 x 1/2"
6 x 1.1/2 x 1/2"
6 x 1.3/4 x 1/2"