Overview Reviews Product Description Hobart HC02 Knife Retaining Collar Works with Model #: 8145 8186 84186 OEM Part # 71312 Product Videos Custom Field Parts List Click Here Product Reviews (No reviews yet) Write a Review Write a Review × Hobart HC02 Knife Retaining Collar Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments