Axcel LANDSLYDE Plus Slider Sight Non-Dampened AVX-31 DBL Pin .019 Black. Axcel extended the amount of windage travel on the precise dovetail bar. Two individually adjustable elevation pointers can be set for different distances. First second and third axis adjustments can easily be made. Included are 8 metal tapes with 16 scales. Specifications for Axcel LANDSLYDE Plus Slider Sight Non-Dampened AVX-31 DBL: Manufacturer: Axcel Color: Black Objective Lens Diameter: 31 mm Features of Axcel LANDSLYDE Plus Slider Sight Non-Dampened AVX-31 DBL: Non-Dampened AVX-31 (31mm) DBL Pin scope Pins are .010 Visible In-Line Sight Level Tough CNC-machined pins Scope housing is Black Package Contents: Axcel LANDSLYDE Plus Slider Sight Non-Dampened AVX-31 DBL Axcel ALNP-NR19-3BK: LANDSLYDE Plus Slider Sight Non-Dampened AVX-31 DBL Pin .019 Black