CAT40 CNC TOOL HOLDER TIGHTENING FIXTURE UNIVERSAL TOOL HOLDING – NEW DESIGN. Easy to put in and take out with super strong magnetic locker. H x L x W: 4 x 3″1/2 x 1″. Taper Size: CAT 40. Color: Red and Blue. Made in the USA. Usage on tool holder tapers CAT. Efficiently designed for maximum protection of tool holder. Enables strong gripping power of cutting tools in horizontal & vertical positions. Compact design for mounting on work table or tool cart. We also make custom tools and parts. Sunnyvale CNC, INC 3737 Yale Way Fremont, CA 94538. (408) 702 0294 Thank you for looking!