SENCO s BC58 Cap Stapler saves time and money when installing felt paper and house wrap. Drives staples with plastic caps in tandem. Brand Name: Senco Power Source: Pneumatic Gauge: 21 Ga. Crown Width: 1/2 in. Product Type: Button Cap Stapler Kit: No Minimum Recommended Operating Pressure: 60 psi Minimum Fastener Size: 5/8 in. Compatible Fasteners: 1 in. Caps with 1/2 in. Crown 21 Ga. Staples Weight: 4.1 lb Maximum Recommended Operating Pressure: 95 psi Magazine Capacity: 110 Model: BC58 Maximum Fastener Size: 5/8 in. Fastener Type: Cap Collation Type: Glue Warranty: 5 year Length: 12.5 in. Trigger Type: Contact Actuation Air Inlet NPT: 1/4 in. Operating Pressure: 60 - 95 PSI Height: 8.5 in. Width: 3.5 in. Pneumatic