Starrett S384-JZ Starrett Parallels Description : Set of 4 Parallels 1/8They are indispensable for inspection and layout work or for various setups on drill presses, milling and grinding machines, shapers, etc. Hardened and accurately ground on the four sides Made from a special grade of tool steel Brand STARRETT Model # S384JZ No. of Pieces in Set 4 pairs Length 6" Height 1 2" to 1" Thickness 1 8" to 3 8" Type Steel Parallel Set No. of Pairs 4 Prop. 65 Yes Size 1 8" x 1, 3 16" x 7 8", 1 4" x 3 4", 3 8" x 1 2" Weight 3. 6