EXR SOLID Hard Top Gutter Brackets (come 2 per pack for 1 crossbar). All installation hardware is stainless steel and included with kit (2) pair of 3/8" bolts for crossbar and (2) M8 bolts for gutter mount. These Brackets are included in the Hard Top and Tent packages, but also available here in the event a customer wanted to convert a soft top package to a hard top package. These brackets have a solid bottom and prohibit the use of the outside Square holes on the 51" Multi-Function Crossbars. Part Number 8-00-9791 is the same bracket, but with a cutout on the bottom that allows the use of the outside Square holes. CAN BE RETRO-FIT TO PARTS: 8-00-9602-BK, 8-00-9702-BK or RD, 8-00-9604-BK, 8-00-9604-BK or RD, 8-00-9651-BK, 8-00-9652-BK