1/2" CROWN x 1/2" LEG SB5019 SERIES GALVANIZED PLIER STAPLE
Model Number: SB50191/2-6M
Item Number: 549487
The SB50191/2-6M is a SB5019 series 1/2" crown galvanized plier staple. It has a 1/2" leg length. Each pack comes with 6,000 staples. Fits these Bostitch tools: P51-5B