Stainless steel, long service life, stable use, and more maintenance The rubber handle conforms to design, with a firm and comfortable grip, a, and reduced fatigue The stainless steel without rivets structure provide fine smoothness, smooth, and clean cutting The curved end of the trimmer and the round edge of the groover allow for easier movement in concrete without pulling or hooking The curved end is easier to through concrete without resistance, getting stuck, and grabbing Manual stainless steel concrete edging machine ( 6inch x 3inch, 1 / 2inch R) and slotting machine ( 6inch x 3inch, 1 / 2 inch, 1 / 2 inch D Stainless steel without rivets structure, providing smooth and clean cutting upon completion, Manufacturer: Zkydhbd