ID Knives Backspacer for Ontario Rat 1 Nova Glow (Blue) This back spacer ergonomically milled with prolonged fatigue-free cutting in mind, it will perfectly fit and provide awesome unique look and functionality NOVA GLOW polymer offers bright, long lasting glow for Ontario Rat 1 Unique design with GITD Smooth polished surface, bright blue glow Custom designed and made in Austin TX, USA