Ensure your jars are airtight, with these APS Weck jar cover clamps. Weck jars are great for storing your preserves and jams, and for presenting starters, sauces and desserts in a restaurant. If you're planning on storing your food in a Weck jar for a prolonged period of time, you'll need to make sure your jars are airtight to prevent bacteria from getting inside and spoiling your product. To do this, you'll need rubber washers (sold separately) to form the seal, and these cover clamps to ensure the seal is completely airtight. Constructed from stainless steel, these clamps are high quality and hard-wearing to guarantee a long lifespan. These clamps are an important addition for your Weck jars. Product features Dimensions 35(H) x 10(W) x 15(D)mm Material Stainless steel Supplier Model Number 82319 Weight 20g Colour Silver for use with rubber washers, GH389, sold separately, Create an airtight seal