It is specially designed as a bud,which comprises of 4 petal-like parts. Size:8*9*10cm/7*8*10cm/3.5*7*9cm/5.5*7.5*9.5cm(measuring finger length). Apply to 1. Monolithic type: hammer finger, sprain or fracture of distal and middle bone of finger. 2. Frog type: finger injury fixation, especially suitable for the fixation of phalanx fracture of the distal segment. 3. Four-piece type: the distal phalanx (finger tip) injury, sprain, fracture and misalignment after the protection, can fix the entire finger. 4. Two-piece type: distal phalanx (finger tip) injury, sprain, fracture and dislocation fixation protection, can fix the entire finger.