Arrow Lock Arrow Lock RLX-44-201 Tailpiece Pack, RLX, QL, HK, MLX Series SFIC, 6 & 7-Pin JMAC# ARROW-RLX-44-201 The Arrow Parts series, including the Arrow Lock RLX-44-201 is described as follows. Tailpiece Pack, RLX, QL, HK, MLX Series SFIC, 6 & 7-Pin Also known as: RLX44201 Technical Specifications: MSRP: Was: Now: $6.53 In Stock Expedited Shipping Available Need it Tomorrow? Need it Tomorrow? Select the NEED IT FAST shipping option at checkout and a member of our team will contact you promptly with any available Expedited Shipping options once we receive your order. Add to Cart