The Starrett A1-1 SDS Plus Arbor made for use with holesaws ranging from 32-210mm. Quick-Hitch arbours feature two locating pins inserted into the holesaw cap to prevent the holesaw overtightening on the screw thread. This allows easy and instant holesaw changes, without tools and without removing the arbour from the chuck. Specifications: Holesaw Pairing: FCH and CT. Holesaw Diameter: 32-210mm (1.1/4-8.9/32in). Arbor Shank Sizes: 11mm (7/16in) hex (excluding SDS-Plus Arbours). Screw Thread: 5/8in-18. Chuck Size: 13mm (1/2in). Drill: HSS Drill Length: 79mm (3.1/8in). https://elecena.pl/product/27181024/starrett-ay155-a2-1-sds-plus-arbor 2024-11-08 https://elecena.pl/product/27181024/starrett-ay155-a2-1-sds-plus-arbor 2025-03-19