Stanley Bostitch STCR5019-3-8-1M 0.38 in. Staple - 1000 Pack Production Type - Staple. 1&#44;000 Pack. Size - 0.38 in. Fits Bostitch No.PC1000&#44; No.PC2K&#44; No.PC4000&#44; No.PC5000&#44; No.H30-8&#44; No.803-745 &#38; Dimension - 5 x 3 x 1 in.