This is the optional .71 16mm Front Springs in Blue for the Ofna Ultra LX-2E Off-Road Buggy, OFNC3430. FEATURES: Steel construction Fits the 16mm Big Bore front shocks used on the LX-2E INCLUDES: Two .71 16mm Front Springs in Blue REQUIRES: Installing over front shocks SPECS: Length: 2.7" (69mm) uncompressed jxs 09/20/11 ir/jxs