Products - Details Triangular Description: Produced from PTFE Spins well, giving the best possible mixing action Ideal for mixing difficult solutions, dissolving solvents or mixing sediments Item No. Description Unit Price Quantity Add to Cart SWN532 Stirrer Bars, Triangular, PTFE, 12mm Each Bag of 2 $4.81 $7.40 SWN534 Stirrer Bars, Triangular, PTFE, 25mm Each Bag of 2 $5.07 $7.80 SWN536 Stirrer Bars, Triangular, PTFE, 35mm Each Bag of 2 $7.09 $10.90 SWN538 Stirrer Bars, Triangular, PTFE, 50mm Each Bag of 2 $9.30 $14.30