Metal handle, more comfortable, more . Into the plastic is more solid, not easy chipping and drooling. Regulating bigger valves, regulating more comfortable, easier to use. This Heavy Duty Aluminium bodied PU foam tool is ideal for filling, sealing and insulating small gaps with ease.This tool allows expanding foam to be applied quickly and with precision.Ergonomic design means it's comfortable to use for long periods of time Easy to Clean, yet very strong, sprung trigger allows you to accurately control flow Product name: Foam caulking tool Scope of application: foam tool Suitable capacity: 10 (ml) Series: Metal foaming tools Type: Hand Tool Parts Colour:black Material:Metal + Plastic Package Contents: 1 * Foam caulking tool 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.