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These adapters create a secure attachment point between the syringe and your project.
Ideal for science and engineering projects that utilize simple hydraulic or pneumatic mechanisms.
Easy snap-on connection allows kids to independently attach the adapter to syringes. **Only fits a 5cc syringe.**
Hole diameters: Large hole is 6.25mm (+/- 0.5mm). Small holes are 3.8mm (+/- 0.5mm)
They are sold 5/pkg.
*Syringes not included*