Our CRL Accu-Glide Adjustable Handle Caulking Gun is so easy to use. The handle has six adjustments and the retractable arm support is ideal for superior balance. Perfect for dispensing low viscosity materials. The spring release plunger lets you load and dispense quickly and easily, and releases pressure on the plunger to prevent sealant run-on. Other features include, built-in nozzle cutter, and plunger. A "must have" caulking gun for every tool box!