Somta Series 501 - HSS Straight Flute Short Hand Taper (First Tap) M39 x 4mm Insize Outside Micrometer Set 0-300mm Range Series 3203-3012A and inspectors requiring high-precision measurement High speed steel HSS 3208-100B Insize Limit Micrometer 25-50mm Range Series 3235-50mm

and inspectors requiring high-precision measurement capability

eg =  SER 1212 K11 would refer to a ER insert style

accurate internal measurement of bores

1/2 Compression Insert – 20 PCS

Effective Sediment Control: Designed to help meet council regulations for sediment and erosion control

Somta Series 501 HSS Straight Flute Short Hand Taper (First Tap) M39 x 4mm Insize Outside Micrometer Set 0 300mm Range Series 3203 3012A and inspectors requiring high precision measurement High speed steel HSS 3208 100B Insize Limit Micrometer 25 50mm Range Series 3235 50mm and inspectors requiring high precision measurement capability eg = SER 1212 K11 would refer to a ER insert style