20 Pieces Hardened Parallels Tools 6" Long 1/8" Wide And 1/2 To 1-5/8 Thicken Steel High Precision Parallels Bar Set ,Durable Construction

Made from strong tough tool steel stress relief against distortion. High precision ground and hardened for long time use. Each parallel is 1/8'' wide or thick x 6'' long with 2 holes. Comes with case for convenient storage and easy carry. Designed to be used in setting up work for drilling and milling.