Skip to content
Molecular Mischief

Molecular Mischief

  • Home
  • Shop
  • FAQ
  • Contact
Account
Shop Now
Molecular Mischief
Molecular Mischief
“Medtfine Pen Needles – 31G, 5/16″ (8mm), 100/Box” has been added to your cart. View cart

Showing 13–14 of 14 results

  • Medtfine Pen Needles - 31G, 5/16" (8mm), 100/Box

    Medtfine Pen Needles – 31G, 5/16″ (8mm), 100/Box

    $11.75

    3 bevel, silicone coated needles for a smooth injection at a low price.

    Add to cartLoading Done
  • Medtfine Pen Needles - 32G, 3/16" (5mm), 100/Box

    Medtfine Pen Needles – 32G, 3/16″ (5mm), 100/Box

    $12.50

    3 bevel, silicone coated needles for a smooth injection at a low price.

    Add to cartLoading Done
  • ←
  • 1
  • 2

Molecular Mischief

Quality supplies for innovative research.

*All sales for lab use only – not for human or animal consumption

Information
  • FAQ
  • Privacy Policy
  • Return/Refund Policy
  • Shipping Policy
Category
  • Pens
  • Pen Accessories
  • Syringes/Needles
  • Solutions
Shop
  • My Account
  • Shop
  • Cart
  • Checkout

© 2026 Molecular Mischief

Review Cart

You're $77.90 away from free shipping
  • × Glycerin Acetic Acid BAC – 10mL MDVGlycerin Acetic Acid BAC – 10mL MDV 2 × $10.45
  • × Curos Vial Spike Disinfecting Cap - 10/PackCuros Vial Spike Disinfecting Cap - 10/Pack 1 × $6.65
  • × Alcohol Prep Pads - 100/BoxAlcohol Prep Pads - 100/Box 1 × $2.80
  • × Medtfine Pen Needles - 31G, 5/16" (8mm), 100/BoxMedtfine Pen Needles - 31G, 5/16" (8mm), 100/Box 1 × $11.75

Subtotal: $42.10

View cartCheckout

  • Home
  • Shop
  • FAQ
  • Contact