Hypo-Grind needles are a stainless steel tube size of 0.106” ID and 0.134” OD. Needles come in4", 3" or 2" lengths. 

Part Numbers:

• 2" Long : CG-HYPO-NEEDLE-2000
• 3" Long : CG-HYPO-NEEDLE-3000
• 4" Long : CG-HYPO-NEEDLE-4000