Description For 15mm Railblock：
• Features standard 15mm rod holes and 60mm center to center distance. 
• There are both five 1/4"-20 tapped mounting holes on top and bottom add to its understated versatility. 
• The 15mm Railblock is also our accessory for Top Handle and Top Plate Handle Grip for BMCC.  
• Material: aluminum made 
• Net Weight: 81.7g
 

Description For 1/4 Hot Shoe Mount：
• The 1/4" Hot Shoe Mount comes with 1/4 inch screw head and hot shoe base, which allow you to mount the LED Light, Microphone, LCD Monitor or the device with 1/4" thread hole onto camera or camcorder.
• Take off the Hot Shoe Base, you will find a 1/4"-20 thread hole at the bottom. You can combine it with Articulating Arm, Super Clamp, Camera Handle Grip or other device to use. 
• With locking nut, with mini ball head design, rotatable in 360 degrees, allows you to change the angle as you want.
• Made of solid aluminum and metal, the Locking Nut is made of plastic.
• Max Load Capacity: 2 KG
• Net Weight: 63.2g