Mastiff Big Prong Collar with Swivel - Chrome Plated 1/11 inch (2.25mm)

Feedback from dog owner:

"Hi Guy, yes, i received the collars and i am satisfied with the quality of your product. Thank you, Sherrie Sandler"

dog collar size:

2.25 mm,9 links,16 inch(40 cm) 
3.00 mm,10 links,21 inch(53 cm) 
3.25 mm,10 links,23 inch(58 cm)- additional link 1 2/5 inch(3.5 cm)
3.90mm,10 links,25 inch(65 cm)- additional link 1 4/5 inch(4.5 cm)

You can also order nylon removable protector for this pinch collar
1.Reduces contact with water
2.Protects against excessive light reflection
3.Collar makes less noise
4.Does not look like pinch collar - looks like regular collar