【Durable & Powerful Motivation】A strong cylinder is built in light-weight aluminum alloy housing for providing plenty of power 【Humanized Design】Rubberized Ergonomic Grip & Sensitive Light Touch Trigger Design makes you feel comfortable & easy on hand during the operation for relieving your work fatigue 【Easy Bottom Loading】Large capacity magazine allows you to load staples up to125 pcs at one time. Reloading staples in rapidity 【Compatible Fasteners】 Drives 21 gauge 80 series staples. Staples Crown: 1/2" (12.8mm), Staples Leg Length: 1/4" to 5/8" (6-16mm) **Staples are not included with this product** 【Application】It's ideal tool in DIY and home upholstering for woodworking、furniture making and fabric attaching