Product details:

Rear Locking Economy Prism Systems This prism assembly allows the user to quickly adjust the tilting target from behind the prism as it is pointing to the instrument to allow accurate sighting. The targets are 5 in. x 7 in. and are available in either florescent orange or florescent yellow. The prism can be either mounted in a 0 or -30mm offset position. All come with a protective carry case for the complete target or system. The complete prism systems come with a 62mm silver-coated prism in a sealed canister. Option Details: Item# 60857-SURSK (old#724807) Economy Tilting Prism Assembly with 5 in. x 7 in. Target Florescent Orange Item# 724808 Economy Tilting Prism Assembly with 5 in. x 7 in. Target Florescent Yellow Flo Orange