Malco Tools HW8X3/4ZT Zip-in® Self Piercing Sheet Metal Screws, #8 x 3/4", 1000 Count Wire Bender microswitch

microswitch

and 2 psychrometers in a quick access padded case

a TruBlu hose can be configured in the field for the pump and service valve connections from 1/4″

reducing marks on finished walls

V8235B1207

Malco Tools HW8X3/4ZT Zip-in® Self Piercing Sheet Metal Screws, #8 x 3/4", 1000 Count Wire Bender microswitchMalco Tools HW8X3 4ZT Zip in Self Piercing Sheet Metal Screws, #8 x 3 4", 1000 Count Malcos Zip in Screws are known for their superior quality and is considered by many for being the best screw choice for HVAC metal duct fastening. A unique thread design and quality controlled manufacture spell the Zip in sheet metal screw difference. Zip ins are made with a sophisticated heat treat process which allows the screw to taper to a fine, sharp point