NO-M.A.R Pic Rail Soft Jaw Vise Clamp Universal Multipurpose fits weaver or quad NO-M.A.R polymer pic rail vise clamp with not scratch delicate metal finishes Firmly grip your Pic / Weaver / Scope / Quad rail with your bench vise Fantastic for holding receivers upside down or securing multi piece quad rails for assembly Easily line up your free float fore arm with your receiver rail during barrel installation Made in USA - Satifaction Guarranteed! Customer service is our #1 priority!