Check the listing for details. True® Lowrance Gimbal Bracket knobs for HDS5,HDS5M,HDS7,HDS8,HDS10, Elite7,Hook7. Condition: New. Listed at 14.71 USD. True® Brand Replacement Lowrance Gimbal Bracket knobs for HDS5, HDS5M, HDS7, HDS8, HDS10, Elite7,Hook7 New improved Replacement Gimbal bracket knobs for all Lowrance HDS models. True® replacement knobs have been completely redesigned to allow for a tighter bite and easier gripping for removal or adjustment New 5 lobe design allows for easy grip even with gloves on The contact surface has been extended to provide a better more secure bite with less pressure. I fish offshore and the pounding the boat takes sometimes loosens the original Lowrance knobs unless you tighten so tight you can't adjust the angle without pliers. This new True® design solved both problems with the pronounced 5 lobe finger surface and the smaller extended bite surface. You simply can't go wrong with these knobs for all Lowrance HDS units, Includes 1 pair of True® HDS knobs Customer has reported these also fit the Elite 7 series. Ships via first class USPS Mail.