Supertek Density Identification Set of 12

Set of 12 different half-inch diameter specimens of varying lengths, supplied in a wood storage block. The set includes cylinders of Aluminum, Brass, Copper, Glass, Hard Rubber, Delrin, PVC, Acrylic, Teflon, Nylon, Maple and Pinewood.   Special Shipping Information:  This item ships separately from other items in your order.  This item cannot ship to a P.O. Box.  This item may be subject to additional processing days.   Item is not eligible for expedited shipping.    You may initiate a return for unused items within 30 days, if the items are in original packaging with all original materials included with the shipment.