10.16 cm blade: made from hardened, tempered, ground carbon steel for reliable strength Easy blade changes: push-button, opening-and-locking mechanism for quickly switching out the blade Sturdy handle: dual-moulded, soft-grip design offers a comfortable, secure hold Versatile: ideal for removing paint, tape, stickers, caulk and more from windows, glass, tiles and other surfaces Durable construction: made of 40% polypropylene, 30% POM, 5% TPR and 15% carbon steel