Arrow Staples T18 Box 1000 7/16 in, Silver

Amazon

Steel round crown Size: 7/16 inch - 11 mm Pack size: 1000 Made in USA, Weight: 0.01984160358 Pounds, Manufacturer: Rollins & Sons (London) Ltd

ManoMano

Size: 11mm (7/16in). Crown: 5mm (3/16in). Pack of 1,000. Steel, round crown, divergent pointed staples for T18 wiring tacker.

Zoro Tools

Steel, round crown, divergent pointed staples for T18 wiring tacker.