It prevents undesired oozing of the material when you set the gun down and ensures clean and controlled finishes and transitions. You can hang the MG 550 from it easily if you need a free hand. The caulk gun is made of metal and plastic and accepts standard 310 ml cartridges. Exchanging cartridges is a breeze. Colour: Grey; Material: Plastic and metal... That makes this powerful universal gun particularly versatile. The MG 550 caulking gun delivers an impressive pushing pressure of up to 220 kg thanks to the optional added leverage function. Sealant & Caulk Guns | Timothy's Toolbox wolfcraft Mechanical Caulking Gun MG 300 4355000 The two-component handle fits comfortably in the hand. The automatic drip-stop function is active in simple acrylic and silicone applications where you do not need the added leverage. for applying sealants, tile cements, adhesive, silicone and acrylic from 310 ml cartridges 220kg Leverage Wolfcraft 1 MG 550 Cartridge Press - Buy At Caulking Gun easy handling thanks to 360° rotatable cartridge shell, two-component handle and ladder hook