Shakespeare Swivel Stainless Rail Mnt 1-1.5in New Condition. Mounts easily on 1" to 1-1/4" vertical or horizontal rails. Constructed for heavy duty. Features of Shakespeare Swivel Stainless Rail Mnt 1-1.5in: Large Swivel Stainless Rail Mount MFG# 4188-SL for 1in to 1.5in rails 1in - 14 thread male 9/32in hole for cable pass through includes mount only Included Accessories: Swivel Stainless Rail Mnt 1-1.5in Documentation Package Contents: Shakespeare Swivel Stainless Rail Mnt 1-1.5in Shakespeare 4188-SL: Swivel Stainless Rail Mnt 1-1.5in New Condition