Basic Power Source Air For Crown Style Wide For Staple Format Coil Compatible Staples JK555 Staple Capacity 150 Weight 4 lb For Box Wall Type Double Wall Single Wall Triple Wall Operation Type Hand Operated Stapler LxWxH 9 1/3x4x8 in Stapler Type Box-Top For Staple Crown Width 1 in For Staple Leg Length 3/4 in 5/8 in Length 9 1/3 in Height 8 in Width 4 in Compatible with Staple Brand Josef Kihlberg Pneumatic Roll Feed Stapler