Need our STRONGEST diamond plate for sale? We can provide .125 (1/8) inch thick and 100% aluminum. This extra strong .125" diamond plate is a great choice for those who want the best diamond plate sheet for rigid durability and performance. We will cut your 1/8-inch aluminum diamond plate sheets to the size you need. Just give us your special size and we'll make custom cuts of aluminum diamond plate sheets and have it delivered directly to your door or to your job.