This page describes the Longsword hotend.
Upper Barrel: Stainless Steel, M6 threaded rod, 3.3 mm bored through, 40 mm long
Cork Barrier: Cork, 22mm OD, 6 mm ID, 6 mm long
Cooling Bar: Aluminium, 10 x 10 mm, 60 mm long, 4.8 mm bored through, M6 threads at both ends
PTFE Tube: 4.7 mm OD, 3.2 mm ID, 33 mm long
Cooling Plate: Aluminium, 60 x 40 x 3 mm
Fan: 40 x 40 mm, 12V
Lower Barrel: Stainless Steel, M6 threaded rod, 3.3 mm bored through, 40 mm long
Heat Block: Aluminium, 10 x 10 x 20 mm
Nozzle: Brass, M6 Acorn Nut, 0.5 mm
Bar Clamps: Aluminium, 20 x 10 x 3 mm
All Screws M3. Use M3 nuts between fan and cooling plate to get distance for airflow.
The bigger holes in the cooling plates are irrelevant.