High-carbon aluminum die head: The die head heats up quickly. Pure aluminum die-casting offers high thermal conductivity. For a 20mm diameter pipe, heat-up time is just 5 seconds. Compatible with most hot melt adhesives: Both male and female connecting screws are 7mm, suitable for most equipment. Non-stick hot melt adhesive paint: The three-layer paint prevents the pipe from sticking to the die head during the melting process, providing enhanced anti-stick properties. Color: As Shown Material: Aluminium Package Contents: 1 x 20mm thickened anti-blocking die head 1 x 25mm thickened anti-blocking die head 1 x 32mm thickened anti-blocking die head 3 x screws 1 x wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.