Large and heavy
119X455 mm Very Large Stripboard PCB Prototyping Board
Extra Large Aluminium Heatsink, 590 X 390 X 65 Mm Beautiful Heatsink 10.5 Kg
Large Aluminium Heatsink (38 x 17 x 5cms) from Military Transmitter Amplifier
Large Aluminium Heatsink Panel 500 x 200 x 15mm electronics cooler thermal pcb
Large Aluminium Heatsink - Electronics-Amplifier-Audio Project 200 x 120 x 55mm.
Large 9" Aluminium Heatsink approx 227mmx127mm HAM Radio AMP Electronics Black