Aircraft Tool Supply 6″ Strap Duplicator (#30) Review January 27, 2019 Kangaroodle No Comments Hand Tools Size #30. 6″ working length. Drill bushing type (most commonly ordered series). for drilling duplicate matching holes in overlapping sheets. Drill Guide Duplicators lets you drill directly by using the duplicator as a drill guide. Post navigation ← Multitool Pliers, 21-in-1 Multi-Purpose Pocket Knife Pliers Kit, 420 Durable Stainless Steel Multi-Plier Multi-tool for Survival, Camping, Hunting, Fishing and Hiking (Blackside) Review1 pc Pliers Electrical Wire Cable Cutters Cutting Side Flush Cutting Pliers Diagonal Cutting Pliers Review →