Fine Material: The caulking tool is of fine stainless steel and aluminium alloy made, which is firm and durable for us to use for a long time Fine Replacement: The caulking tool can be regarded as a fine replacing choice when the old one gets broken Reliable: The caulking tool is designed with powerful spring and can provide you with 20MPA so that the sealant will come out smoothly Wide Use: The caulking tool can be used for many purposes like door, window, home building and etc Nonslip: The caulking tool is designed to be nonslip type so that we can work more accurately and stably, which is a good choice, Weight: 0.88625829324 Pounds, Manufacturer: Zambuph