Parameters: Length 7.9 inches, width 7.3 inches, height 2.8 inches. Made of stainless steel material, quality tested and ensure maximum durability. Adjustable 3 or 4 fletchings: Quick setup with magnetic clamp design, adjustable design, you can set the clamp to 3 or 4 fletchings, and the angle of the feathers can be easily adjusted. At first, the operation may be difficult, practice makes perfect! You can refer to our operation video and usage steps for practice. Setup: The improved fletching tool with magnet attachment is suitable for 2-5 inch fletchings, with adjustable gap, suitable for arrow shafts or bolts with an outer diameter of 9.50mm or less. Operation: The fletching clamp can be adjusted to 3 fletchings or 4 fletchings by screwing in the selection screw. (For detailed operating instructions, please refer to the instructions and fletching quick guide at the bottom of this page). Use: With the fletching tool clamp, you can repair damaged fletchings or make your own arrows.