Prism Assembly and Target Both Stay Put with Locking Feature
Hard-working Prism Assembly features a copper-coated prism with metal threads for long-life and durability and a metal target. Brass tension lock prevents target and prism from slipping. High visibility target is 5-1/2" x 7" (14cm x 18cm). The height to the center of the tilting axis is 115mm. Zero/-30mm offset.