BUTTN CAP STPLR 1/2""21GA (Pack of 1)BUTTN CAP STPLR 1/2""21GA - 2006290, Brand Name: Senco Energy Type: Pneumatic Gauge: 21 Ga. Crown Width: 1/2 in. Product Type: Button Cap Stapler Kit: No Fastener Type: Cap Magazine Capacity: 110 Collation Type: Glue Minimum Fastener Size: 5/8 in. Maximum Fastener Size: 5/8 in. Weight: 4.1 lb. Maximum Rec..