Replacement staples guaranteed to fit the following make and model staplers: Surebonder 5650; Ace 22084, 22087; Master Mechanic 5650MM, TRE300MM, TRE50MM, TR701TV, TR50MM; Stanley/Bostitch TR80, TR75, TR70, TRE100, TRE300; PowerFast 10060,80020, 80000, 34201, 34301, 34302, 31800, 31600, 800, 800X, 900, 1000.