You searched for "parallel set"
Facom
Facom 3/4 in Drive 23mm Standard Socket, 6 point, 52.5 mm Overall Length
Part: K.23HB
Standard socket for general mechanical fastening and assembly work.
Teng Tools
Teng Tools 1/2 in Drive 23mm Standard Socket, 12 point, 38 mm Overall Length
Part: M120523-C
Teng Tools 23mm socket for half inch drive general mechanical work.
Teng Tools
Teng Tools 1/2 in Drive 23mm Standard Socket, 6 point, 40 mm Overall Length
Part: M1205236-C
Standard 23mm socket for general mechanical and automotive applications.
SAM
SAM 1/2 in Drive 23mm Deep Socket, 12 point, 82 mm Overall Length
Part: SL-23
Large deep socket for heavy mechanical fastening and maintenance applications.
Facom
Facom 3/4 in Drive 23mm Standard Socket, 12 point, 55 mm Overall Length
Part: K.23SR
Non-sparking socket for hazardous environments with flammable materials.
RS PRO
RS PRO 3/8 in Drive 23mm Standard Socket, 12 point
Part: 830-4085
23mm metric socket with 3/8 inch square drive for mechanical work and maintenance.
Facom
Facom 23mm, 1/2 in Drive Impact Socket Standard Impact Socket, 42 mm length
Part: NSD.23B
Heavy-duty 23mm impact socket for pneumatic tools and machinery maintenance.
Facom
Facom 3/4 in Drive 23mm Deep Socket, 6 point, 90 mm Overall Length
Part: K.23LA
Professional metric deep socket for heavy-duty automotive and industrial maintenance work.