The Deeper Bait Boat Sonar Holder is a mounting accessory designed to attach a Deeper PRO or CHIRP series sonar to most bait boats. It requires no drilling for installation, and its unique design is compatible with those specific sonar models. The holder is finished in black and constructed from plastic and stainless steel. - Fits most bait boats - Requires no drilling - Unique designed compatible with PRO / CHIRP series sonars - Extended length 18 to 28cm / 7 to 11inch - Sized at 26cm × 10cm / 10.2inch × 3.9inch - Weighs only 100g / 3.52oz - Black colour - Made of plastic and stainless steel