Enhance your firearm setup with this robust swivel base set crafted from high carbon stress-proof steel ensuring durability and reliability. Designed for versatility it accommodates both detachable and non-detachable swivel bases making it suitable for wood laminate or synthetic stocks. Its innovative design includes a depth indication countersink feature for precise clean cutting and effortless one-step drilling. With three spacers included the set offers flexibility in installation while the sleek black finish adds a touch of elegance to your gear. Ideal for both average users and professionals seeking dependable performance.