Brake Caliper Slider Kit - Slider Pins. This kit includes guide/slider pins with a diameter of 12mm, a thread of M9 x 1.25, and a length of 54mm. This kit suits a wide range of cars and may fit front or rear brakes. If unsure, please check against your original pins or contact us. We are dedicated to ensuring the highest possible quality service to our customers. We accept all major payment options via eBay Managed Payments, including all major credit cards and Paypal.