3 piece Cold Chisel set is a top quality set made from chrome vanadium steel for increased strength and durability. For cutting and shaping wrought iron, cast iron, steel, brass, bronze, copper and aluminium and for cutting bolts, nuts and rivets. Contains 1 of each: 140 x 10mm (5.1/2 x 3/8in), 150 x 13mm (6 x 1/2in) and 170 x 16mm (6.3/4 x 5/8in).
Features:
12V/24V 2-Channel relay interface board for easy operation.
Equipped with High-current Relay: AC250V 30A and DC30V 30A.
With clear LED display, convenient to check the value.
Adjustable Time Range: 0.1 second to 999 minutes.
Input Voltage: DC/AC7V~27V.
Compatible with the programming software for Arduino.