T&B TY26MX 11IN NYL BLK CBL TIE Cable Tie 40lb 11" Natural Nylon with Stainless Steel Locking Device Bulk Pack Oval low profile head is designed to prevent snags on uneven surfaces and easier to pull through bulkheads. Non-magnetic stainless steel locking device insures both maximum strength and the right tightness every time. Because there are no notches, Ty-Rap ties provide an infinite number of locking positions while fastening the tie at the precise bundle diameter needed.