The Draper 12 Hand / Power Fretsaw Spare Blades Grade 5 are high-quality replacement blades designed specifically for fretsaws, plain end type. With a tooth pitch of 12.5 Tpi and a length of 127mm, these blades are durable and precise for cutting through various materials. Made by the reputable brand Draper, these spare blades ensure smooth and efficient cutting performance, making them essential for professionals and DIY enthusiasts alike.