630-3986 Features: -Heavy duty professional quality skeleton caulking gun with "no drip" feature, spout cutter, seal puncture and ladder hook for hanging when not in use.-Holds most standard cartridges.-Use for simple application of glazing, sealants, caulks, and other home improvement compounds.-Half-barrel with smooth rod and quick release mechanism.-Use for simple application of glazing, sealants, caulks, etc.-Fits all standard cartridges.-Use for light to medium duty applications.-Cartridge Size: 0.10 gal.-Quantity: 12 per case.-Price is for 1 Each. Construction: -Heavy-duty uni-rail construction with hex piston rod and quick release lever.