Jameson Versa Block with Rubber Roller is ideal for use with cable up to 1.5" in diameter. Versa Blocks offer the versatility of stringing cable at midspan on new and existing overlash construction. Provides easy cable placement from aerial buckets or the ground when used with Jameson's lay-up sticks and wire raising tool. Low-profile frame reduces cable damage as it passes through block and wide keeper arm accommodates large cable bundles when used as overlash block.