Insize GO Thread Ring Gauge 5/16"-18 UNC Series - 4633-5D1 Insize Portable Leeb Hardness Tester with Bluetooth ISH-PHB-B Adjustable Size Control: Size can Somta Series 107 – 1/16 - 1/2" X 1/64 Jobber Drill Set The optional setting ring 1103-200

Adjustable Size Control: Size can be adjusted within the 30 - 34mm range for accurate reaming according to your needs

Part Number: 7260-300

Fitted with two grub screws to tighten the housing seat

L is the measuring range in mm

Whether for professional or workshop use

Insize GO Thread Ring Gauge 5 16" 18 UNC Series 4633 5D1 Insize Portable Leeb Hardness Tester with Bluetooth ISH PHB B Adjustable Size Control: Size can Somta Series 107 – 1 16 1 2" X 1 64 Jobber Drill Set The optional setting ring 1103 200 Adjustable Size Control: Size can be adjusted within the 30 34mm range for accurate reaming according to your needs Part Number: 7260 300