J&M Bond Safe 680 BS680IG In-Ground Pool Water Bonding Kit - Bond Safe 680 was invented in order to bond pool water in accordance with the National Electrical Code (NEC) 680.26(C). Made of non-corrosive stainless steel, it maintains constant contact with the pool water to ensure that the pool is effectively bonded. Bond Safe 680 will create a safer environment for swimmers and will not interfere with normal pool activity and operation. The Bond Safe 680 In-Ground Pool Water Bonding Kit includes 1 bonding plate, 1 rubber sealing washer, 2 flat washers, 2 lock washers, 2 nuts and 1 bonding lug.