This item is for use on 1/24th & 1/25th scale models to accurately replicate the modern Pro-Mag 44 used on modern top fuel dragsters and funny cars. This is the one and the ONLY Pro-Mag 44 with this much realism. This listing is for a five color variety pack of Pro-Mag 44's, each with a red anodized machined aluminum base with pre-wired resin insert and retention cap. The five colors in this variety pack are: Black ~ Blue ~ Gray ~ Red ~ YellowArrowhead Aluminum Accessories