Description Made from high-strength steel, this machinist jack screw pad offers excellent durability and stability for machine tool installation. Its smooth, flat surface ensures secure positioning, making it an ideal adjustable support pole for leveling heavy equipment, workbenches, or use as a screw jack lifter in precise applications. Features -Color:Black -Material:High-strength S45 iron -Size:16.00X5.00X5.00cm/6.29X1.97X1.97in -High strength construction: made from heavy duty steel jack pad materials, our machinist jack screw blocks provide reliable lifting support and maintain stability during usage -Precision engineering: the adjustable screw jack design ensures accurate height adjustments for lab mini jack operations, meeting demands in machine tool setups -Surface flatness: our jack lift pad features a smooth platform jack surface, ensuring secure fixture and optimized contact for floor jack protector applications -Corrosion resistance: durable treatment on the screw jack lift safeguards against harsh environments, extending cabinet support rod service life -Multiple specifications: available in varied sizes, this adjustable support pole fits different jack support needs for versatile furniture lifter tool usagePackage list: 1 x machine iron block