Series Fasteners - 1164001B SKU 1164001B Description S4/16NC STAPLE 40MM 8.4M Length 40 mm Crown Width 12.45 mm Point Clinch Quantity per box 8400 Compatible Tools 438S4-1 5165043 5166543 538S4-1 650S4-1 750S4-1 863S4-1