Inserts - Glass from $35.33 Inserts are available preassembled with a polymer bottom spring or patented Top Spring. The polymer spring acts as a shock absorber that protects against breakage if the needle bottoms out. The conical design permits complete sample removal. The Step Insert precisely sits in the neck of the vial, thus eliminating the need for metal or plastic springs.

Cat Code Description Case Pack Volume Price Add Quantity 4025GF-631 Step Insert, Glass Flange 100 pieces 0.250 ml $54.93 4025-629 Insert, No Spring 100 pieces 0.250 ml $49.17 4025BS-629 Insert, Bottom Spring 100 pieces 0.250 ml $55.80 401TS-529 Insert, Patented Top Spring™ 100 pieces 0.100 ml $61.88 4005BS-625 Insert, Bottom Spring 100 pieces 0.050 ml $35.33 4035-630 Flat Bottom Insert 100 pieces 0.350 ml $79.00 4035-630ID Flat Bottom Insert with ID Ring 100 pieces 0.350 ml $96.17 4035-631ID Flat Bottom Insert with ID Ring 100 pieces 0.350 ml $96.17

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Big Mouth Crimp Top Vials & Closures