Excellent for house wrap, roofing felt, and foam board. Lightweight and durable design for added comfort and longer tool life. Specs: Height: 8 1/2"; Length: 14"; Width: 9-1/2"; Weight: 4 lbs. 13 oz. Fastener Specifications: Drives 7/8" - 1-1/4" leg, 18GA, 7/16" Crown Staples in Tandem With Plastic Caps.