384 Steel Parallels 1/8" X 1" - 1/2" X 1-1/4"/3 X 25MM - 13 X 31MM The 384 Steel Parallels are hardened and ground to close limits. They are indispensable for inspection and layout work or for various setups on drill presses, milling and grinding machines, shapers, etc. Furnished in pairs, 6" length, they are made from a special grade of tool steel, hardened and accurately ground on the four sides. In tool rooms or machine shops, several pairs of these parallels will be of great value. S384JZ Parallel Set Parallels 384 Steel Parallels, 6" (150mm) Length Pairs Thickness Width Cat. No. EDP in mm in mm 384A 51445 1/8 3 1 25 384C 51447 3/16 5 7/8 22 384E 51449 1/4 6 3/4 19 384F 51450 1 25 384G 51451 3/8 10 1/2 13 384H 51452 3/4 19 384M 63645 1/4 6 3/8 10 384N 63646 1/2 13 384P 63647 5/8 16 384R 63648 3/8 10 1 25 384S 63649 1/2 13 5/8 16 384T 63650 3/4 19 384W 63651 1 25 384X 63652 1-1/8 28 384Y 63653 1-1/4 31 384 Steel Parallel Sets Cat. No. EDP Description S384JZ 51453 Set of 4 Pairs – Sizes A, C, E, G – In Case S384-1Z 63676 Set of 4 Pairs – Sizes N, M, P, F – In Case S384-2Z 63677 Set of 4 Pairs – Sizes G, H, R, M – In Case S384-3Z 63678 Set of 5 Pairs – Sizes S, T, W, X and Y – In Case S384-3Z 303 starrett.com P recision R ules , S traight E dges , P arallels