ANTIRUST SK 5 STEEL BLADE Sharp sturdy blade, ideal for cutting chamfer, round molds, trunking and pvc strips, rubber gaskets, molding and weatherstrip. | HIGH-PRECISION ENGRAVING SCALE Clear and precise scale surface to help you cut accurately. Adjustable slider on the scale surface allows for a 45°-135°cutting angle, free to cut the trunking to different shape when needed. | ERGONOMICALLY DESIGNED HANDLE Strong and durable integrated handle is made of aluminum alloy and PPC anti-skid cover. Comfortable grip no hand fatigue for long-term use. | TURN CLASP SAFETY LOCK The turn clasp closure is easy to close and open, safe and convenient, you no need to worry about being accidentally scratched by the blade. | REPLACEABLE BLADE This trunking scissors set includes additional Spare Sharp heavy duty replaceable blade. Notice this shear is not suitable for cutting metal and stainless steel.