✅ 【Replace part number】: Ex mark/To ro 109-8590 E xmark Lazer Z 116-9639. ✅ 【Specifications】: Inner Diameter: 3/7" , Outer Diameter: 9" , Height:2" . ✅ 【Compatible with】: Ex mark Lazer Z X-Series LZX38KC726, LZX27KC606CA, LZX38KC606CA, LZX29KA606SS, LZX34KC726, LZX34KC606SS, LZX801CKA606C1, LZX921GKA726C1, LZX980EKC606W0, LZX980EKC726W0, LZX801CKA726C1. ✅ 【Compatible with】: Ex mark Lazer Z E-Series LZE751GKA724A1, LZE751CKA604A1, LZE751GKA604A1, LZE751GKA604C1, LZE801GKA724A1, LZE801GKA604A1, LZE740EKC60400, LZE742GKC604A3, LZE751GKA724A3, LZE801GKA604B1. ✅ 【After-Sales Service】: We are committed to providing excellent customer support. Should you have any questions or concerns regarding your purchase or installation, our dedicated team is ready to assist you promptly and efficiently. 116-9639