Depth Micrometers 443 Micrometer Depth Gages with Half Base 0-9" • Exactly like the 445 Micrometer except that it has a half base • 2" (50mm) half base permits measuring depths of holes and slots close to shoulders and between obstructions • Rods have individual length adjustment and are 5/32" (4mm) in diameter 443 Micrometer Depth Gages Cat. No. EDP Range No. of Rods Graduation 443Z-3RL 52171 0-3" 3 .001" 443Z-6RL 52173 0-6" 6 443Z-9RL 52175 0-9" 9 Inch Reading Rods Only 443 Models Size Part No. EDP PT99341 71982 0-1" PT99342 71983 1-2" PT99343 71984 2-3" PT99344 71985 3-4" PT99345 71986 4-5" PT99346 71987 5-6" PT99347 71988 6-7" PT99348 71989 7-8" PT99349 71990 8-9" PT99358 66673 9-10" PT99359 66674 10-11" PT99360 66675 11-12" 443ZRL 87 starrett.com M icrometers