These syringes are ideal for injecting epoxy into cracks and voids.Very handy for many epoxy repair projects, these reusable syringes that can be loaded with WEST SYSTEM 105 Epoxy Resin for injecting into tight spots. Typical applications include plywood repairs and fixing fiberglass delaminations on rudders. Syringe capacity is about 0.5 fluid ounces. Choice of 2-pack or 12-pack.