Gem Setting Gauge Centring Bit Bushing Tool

Gem Setting Gauge Centring Bit Bushing ToolComprising of 18 conical gem guages; Each hardened steel with blue plastic handles; Marked in mm 1 to 5; Carat points 1 2 to 50 for checking the size of the stone seat;(Carat point) sizes include: 1. 00mm (1 2); 1. 38mm (1); 1. 63mm (2); 2. 00mm(3); 2. 13mm (4); 2. 25mm;(5); 2. 38mm (6); 2. 50mm (7); 2. 63mm(8); 2. 75mm(9); 2. 88mm (10); 3. 00mm;(11); 3. 13mm (12); 3. 38mm (15); 3. 50mm (17); 3. 88mm(20); 4. 00mm(25); 5. 00mm(50); Stone gauge with 18

“nick bob” Knife Edge Felt

Discharge Voltage: 1

non-magnetic and resistant to most acids and corrosive agents

Face diameter: 25mm

1 piece each)

x Length Int

50mm & Ø2

Package Weight: 221g / 7

UV Transmittance: 313nm≤0

4 * Polishing Head

Powered by micro-USB or with its included 3 AAA rechargeable NiMH batteries (user may substitute 3 AAA alkaline batteries if desired)

Capacity Test Error: 0