Packing Detail:500 pcs 0.8 mm wave staples,500 pcs 0.6 mm wave staples Product Material:Heat welding nails are made of stainless steel throughout,corrosion-resistant and anti-aging,which can make your welding stronger and more durable Product Features:Can be used with all plastic welders or torches on the market,easy to operate and efficient to use Applications:Mainly used in car bumpers,plastic water tanks,plastic toy houses,plastic garbage cans,and other plastic products and handmade DIY Easy to Operate:The corners of the welding nails contain cutouts,which can be broken after cooling down after welding.