Bow String Serving Compound String B50 44in 16st Blk MCS-SEL Compound Bow String The Compound String B50 is a high-performance sporting good, featuring a robust 44-inch length and crafted from durable B50 material. Its 16-stitch design... Made Of B50 Material Features served end loops and mono center serving. RB44 ABB - THOMAS & BETTS, Closed End Splice, Sta-Kon RB Series Made of B50 material. Served end loops. Mono center serving. Served End Loops Mono Center Serving To ensure reliability, purchase GM part # 13534188 MODULE ASM,BODY CONT. It is sometimes referred to as GM Body Control Module. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit