DEI, part number 010220. DEI Locking Tie Tool. Good for ties up to 1/2" (13mm) wide.
DEI Positive Locking Tie Kit Stainless Steel 8-9" Ties 4-14" Ties W/Locking Tool
DEI 10202 Stainless Steel Locking Tie 14in - 5 per pack
DEI 10219 Stainless Steel Positive Locking Tie & Tool Kit - 8in (8 Pack) & 14in
DEI 10209 Stainless Steel Positive Locking Tie 1/4in (7mm) x 14in - 4 per pack
DEI 10212 Stainless Steel Positive Locking Tie 1/2in (12mm) x 14in - 4 per pack
DEI 10201 Stainless Steel Locking Tie 8in - 8 per pack