Product Description:
6.50 x 5/8 inch base rail with built-in bubble level, one captive style slot, one 1/4-20 tapped hole, and scales engraved on each side. Rail end is equipped with 1/4-20 tapped hole and two 5mm dowel pin holes. This rail can help you convert any standard clamp into a rail/clamp combination that can be used as a nodal slide for panorama photography.

• 6.50 inches long
• 1.50 inches wide
• 5/8 inch thick
• Weight: 5.7 oz (161g)
• Built-in bubble level
• One captive style slot
• One 1/4-20 tapped hole
• Metric mm scale engraved
• Double-dovetail design allows for dual clamping surfaces on rail
• Two safety stop screws. This prevents free fall when the clamp is not fully closed (M3 screws)
• Can be used with various clamps
• Precision C.N.C. machined from 6061-T6 Aluminium
• Stainless steel hardware
• Black hard coat anodized surface
• Made in USA

One 6.50 inch rail
One 1/4-20 - 1/2 captive style screw
Two dowel pins
Two M3 screws attached to rail
Hex wrenches for 1/4-20 and M3 screws