Coopic Swivel 2.5-Inch Grip Head For Light Stand, Multi Functional Heavy Duty Head Holder Bracket Adapter For C Stand Extension Boom Arm, Photographic Equipment Features: Through The Grip Head, Enables To Adjust The Height And Angle Of The Arm And Gives You Flexibility To Position Your Equipment; Universal Clip, Generally Used In Indoor Studio, A Studio Accessories Belonging; With Four Different Sizes Of Fixing Holes, Let It Apply In Different Sizes Flag Boards, Boom Arm And Other Objects; Can Be Mounted On Most Of Light Stand. Specifications: Color: Silver Material: Stainless Steel Hole Size: 0.16In / 0.32In / 0.43In / 0.63In (4Mm / 8Mm / 11Mm / 16Mm) Weight: 1.27Lb/0.58Kg Item Size: 2.36 X 3.54 X 5.7Inch/ 6X 9X 14.5Cm Package Included: 2 X Grip Head Note: Grip Head Only; Boom Arm And Light Stand Are Not Included.