pecification:  Item Type: Finger Fixed Splint  Color: Skin Tone Material: Plastic Size: 0/1/2/3/4/5 Features: light weight, good X-ray visibility, reusable This product is a hard plastic finger support made of hard plastic, shaped like a chimney. The end of the support is bent upwards to straighten the injured end knuckle upwards, supporting and fixing the fingers in a straight shape to protect and prevent the fingers from being injured again. Suitable for: 1. The protection of the fingertip after injury, especially after the amputation is cleaned and sutured. 2. Fix and protect injured fingers and distal knuckles 3. Insufficient finger straightening, finger injury, finger spasm 4. For the hammer shape (hammer finger) caused by the rupture of the extensor tendon and the tear of the distal phalanx The specifications are as follows: The circumference of the first joint of the injured finger. (measure with a string) Size 0: 38-42mm 2.5g Size 1: 42-48mm 2.5g Size 2: 48-53mm 3g Size 3: 53-55mm 3g Size 4: 55-60mm 3.5g Size 5: 60-65mm 4.5g