7/8" Drill Hole, 1/2" ID Silicone Rubber Grommets for Wiring, Automotive, Firewall Hole Plug, Top Hat Grommets for 5/8" OD Rubber or Vinyl Tubing in Hydroponic and Irrigation Systems, 10 Pack 1/2"ID, 7/8"DH auspowers_batchfour 7V 4400mAh high-capacity rechargeable battery

7V 4400mAh high-capacity rechargeable battery and comes with a USB micro data cable for convenient and rapid charging

the protection IC will cut off the circuit automatically

There is overload protection on all range

and if you need more room

Clean the hole and embed anchor into it

7/8" Drill Hole, 1/2" ID Silicone Rubber Grommets for Wiring, Automotive, Firewall Hole Plug, Top Hat Grommets for 5/8" OD Rubber or Vinyl Tubing in Hydroponic and Irrigation Systems, 10 Pack 1/2"ID, 7/8"DH auspowers_batchfour 7V 4400mAh high-capacity rechargeable battery7 8" Drill Hole, 1 2" ID Silicone Rubber Grommets for Wiring, Automotive, Firewall Hole Plug, Top Hat Grommets for 5 8" OD Rubber or Vinyl Tubing in Hydroponic and Irrigation Systems, 10 Pack Product Features Specification: 7 8"(23mm) Drill Hole, 1 2"(13mm) ID Top Hat Grommets, with 1 5 16"(33mm) Upper diameter, Height of 3 8"(10mm), and 3. 5mm 1 8" Upper Thickness,Total 10pcs of Silicone Rubber Grommets for 1 2"(13mm) Outer Diameters of Wires,