D = Dripless = A mechanism that retracts the push rod when necessary to prevent material from dripping

It is particularly well-suited for electrical standpipes

300-600 = Patented mechanism works for both sausages and cartridges

or sulphite adhesives

Prevents water

wtf musta snapback lippis massa D = Dripless = AA trendy snapback cap featuring an embroidered WTF logo on the front. The cap is one size, but thanks to the snapback mechanism, it can be adjusted to fit perfectly. The front of the cap has a reinforced fabric structure, ensuring it retains its shape well. This stylish cap is suitable for all kinds of use, whether for work or leisure. Product Features: Adjustable strap one size fits all Durable and lightweight material 85% acrylic, 15% wool Hologram