Irwin Record T1D Pt.D Jaws 3in and Screws for 1 Vice

Amazon

75mm jaw width Jaw plates are fully machined on all load-bearing surfaces For No 1 vice Jaws are made from hardened steel They are hardened and CNC machined Ready to fit 3-inch plates fit the #1 Mechanics Vise, Manufacturer: Stanley Black & Decker

Zoro Tools

Replaceable jaw plates are available for all Mechanics, Fitters, multi-purpose and Engineers vices. They are hardened, CNC machined and supplied in pairs complete with screws or bolts and ready to fit.

ManoMano

Replaceable jaw plates for No.1 vice. Jaw Width. 75mm (3 in).