roof mounting j hook nail system

{"cid":"91224161","title":"Aluminum Self-Locking Speed Washer with Smooth Shank Roof-Mounting Solar Panel Critter Guard Pins J Hook Nail System","imgUrl":"https:\/\/img.chinax.com\/nimg\/5f\/92\/427a364bf4b7aca7347a0de1dba3-200x200-1.jpg","attrs":{"Price":"$0.098-0.35\/piece","Minimum Order Quantity":"5000pcs","Delivery Time":"15-3 work days","Certification":"ISO9001","Place of Origin":"Hebei, China","Payment Terms":"T\/T, D\/A, D\/P, L\/C, Western Union","Supply Ability":"5 million sets","Packaging Details":"Cartons+plastic Bags+pallet","Type":"Fixing nail j hook","Material":"Aluminium","Finish":"Polished","Shank type":"Smooth, Spiral","Usage":"Fixed solar panel","Application":"High temperature insulation material","Feature":"Durable","Name":"Solar Fixed Insulation Nail","Head diameter":"2.5mm"}}