The Draper 39 Piece Brake Piston Wind Back Kit is a comprehensive brake service tool set designed for efficient disc brake maintenance and pad replacement on most vehicles. This professional kit provides mechanics and technicians with the essential equipment needed to wind back brake caliper pistons, accommodating both left and right-handed thread systems commonly found in modern braking systems. Supplied with 26 brake piston winder adaptors, the kit offers extensive vehicle compatibility across different makes and models. The inclusion of both left-handed and right-handed winding adaptors ensures you can work on vehicles with various caliper designs, whilst four reaction back plates provide secure support during the wind-back process. The comprehensive tool selection includes hex caliper retaining bolt keys in 6mm and 7mm sizes, pad retaining roll pin punches in 5.5mm and 6mm, and pentagon brake tools compatible with 1/2" square drive ratchets. This makes the kit ideal for complete br