Features: Replaceable charcoal brush set. This carbon brush set replaces Skil bo-sch 1619X01351, 2610320391,2610912980. Carbon brushes are usually referred to as wear items and commonly replaced due to friction during daily use in motors. Superior electric carbon brushes are made to last longer. These carbon brushes ensure that the motor is working properly and fix the motor that runs intermittently. Specifications:Dimensions (LxWxH): 0.51" x 0.24" x 0.24" Compatible with:Skil: 5825 Type 2 (F01258250A) 6-1/2 inch. Worm Drive Saw HD77 Type 17 Worm Drive (Skilsaw 77) HD77M(F012HM7702) 7 1/4" Magnesium Worm Drive Skilsaw SHD77M(F012SD7702) 7 1/4" Magnesium Worm Drive Skilsaw SHD77M(F012SD7707) 7 1/4" Magnesium Worm Drive Skilsaw HD77M-72(F012HM7772) 7 1/4" Magnesium Worm Drive Skilsaw 5860 (F012586099) Circular Saw HD5860 (F01258600A) HD77-72 Worm Drive 7-1/4 Worm Drive Saw w/t-wist Lock SHD77 (F012SD7705) 7 1/4" Worm Drive SHD77 (F012SD7700) 7 1/4" Worm Drive Drive Skilsaw 5865 Saw HD77 (F012HD77LA) Circular Hand Saw SHD77M (F012SD7712) Hand Saw HD77M (F012HM7700) Round Hand Saw MAG77-75 7-1/4" SkilsawBo-sch:1677M (0601677039) 7-1/4" Worm Saw 1678A(0601678039) 7-1/4" Worm Saw 1677MD(0601677139) Circular Saw 1677MDT(0601677239) Circular Saw 1677C-100(0601677168) Circular Saw 1677DC-100(0601677190) Circular Saw Blade Package Contents:2pcs*Carbon Brushe