Bushings and spacer designed for use with Pedro's Headset and Bearing Press. - Includes ten precision-machined bushings in 6 sizes covering installation of all road, mountain, and BMX press-fit bottom brackets cups and bearings, plus a BB Bushing Spacer for enhanced flexibility, speed, and alignment - Bushings and spacer designed for use with Pedro's Headset & Bearing Press ensuring precise and accurate installation. Inner diameter of 18.4mm (14mm for 19-37 and 19-41) - EVA foam packaging insert keeps the bushings protected, organized, and ready for use