Size:About 2.2in/57mm long Features: Conical: CAT 40, A: 45, D1 Knob: 0.589, D2 Neck: 0.392 inch, D3 Hole: N/A, D4 Aircraft: 0.6360 inch, L code: 2.250 inch, L1: 0.988 inch, L2 Front distance: 1.264 inch, knob slot: RKW40. In addition to the VQC 20/40, the fixed knob is suitable for most mazak cnc cat40 Suitable for Amura-Seiki,for Fadal, for comet, for Daewoo, for Dah Lih, for Hass, for Howa Kogyo, for Ikegal, for Kearny-Trecker, for Kia, for Kitamura, for Mitsubishi, for Miyano, for OKK, for Okuma Howa, for -Roka, for Toshiba, for Toyoda, for YCI, for Sharp Colour: silver Material: steel Package Contents: 10 * 45 degree pull stud fixing knobs Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.