SK40 Er16 Collet Chuck Sk40 Er16a-70l,100l Size:SK40ER16A-70L BT30 Morse taper is mainly

BT30 Morse taper is mainly used to hold Tang Type Drills and Arbours

These are better than general BBT40 Holders

Plastic Packaging for non-breakable packing

so you can just check the descriptions of sizes from other brands to fix this insert

10pcs CCGT09T304/08 AK H01 CCGT 09T304/08 Carbide Inserts for Aluminum Cutting Tool CNC Lathe Machine Turning Tools AL +TIN Alloy wood

SK40 Er16 Collet Chuck Sk40 Er16a-70l,100l Size:SK40ER16A-70L BT30 Morse taper is mainlySK40 Tool Holder accepts all ER16 collets ER16 Collets range from 1 mm to 12 mm Thread inside the internal stop screwMade from alloy steel hardened to 54 56rcBalanced to G6. 3 at 12,000 rpmsConcentricity is less than . 005 micron up to 100 Length and 0. 012 up to 200 Length. All critical tool holder surfaces are precision groundCoolant through capabilityGage length is 70mm,100MM,150MM,200MM Rear thread for pull stud is M16 X 2. 0 All holders can be