The Starrett 220 Mul-T-Anvil Micrometer with Round and Flat Anvils and Carbide Faced Spindle is not backed up by a frame as in a regular micrometer and can bend slightly. 25mm, 0.01mm Grad, Ratchet Stop, Lock Nut, Carbide Spindle.
Will handle a wide variety of measurements impossible to obtain with regular micrometers
Rigid one-piece frame of drop forged steel
Extremely hard and stable one-piece spindle
Micro-lapped measuring faces
Starrett satin chrome finish - no glare - resists rust
Advanced sleeve design with staggered lines and distinct figures for precise and easy readability
Ring-type knurled lock nut for quick and sure locking
Two hardened anvils furnished - round anvil approximately .120" diameter (3mm) and flat anvil approximately .125" (3mm) and .060" (1.5mm) thick
Interchangeable anvils are rigidly held in the vise type frame and quickly interchanged by a single lock screw adjustment
SPECIFICATIONS
Made in America: Yes
Micrometer Type: Multi-Anvil Micrometer
Range (mm): 0-25mm
Graduations (mm): 0.01mm
Anvil/Spindle Material: Steel
Anvil Type: Round and Flat
Spindle Type: Flat
Lock Nut Type: Knurled Ring Type
Thimble Type: Ratchet

Starrett Uni Mike Mul-T-Anvil Micrometer, Ratchet Thimble, Round and Flat Anvil, 0-25mm Range