So many kinds of keystone jack for your selection

Keystone module   JK-1026 
Cat5e RJ45 socket
Overall dimensions: 25mm X 50mm
LSA IDC block

Keystone module   JK-1027
Cat5e RJ45 socket
Overall dimensions: 25mm X 50mm
Dual IDC block

Keystone module   JK-1028
Cat5e RJ45 socket
Overall dimensions: 25mm X 38mm
Dual IDC block

Keystone module   JK-1029
Cat5e RJ45 socket
Overall dimensions: 25mm X 38mm
Dual IDC block

Keystone module   JK-1030
Cat5e RJ45 socket
Overall dimensions: 25mm X 50mm
LSA IDC block