Entry-level manual tissue arrayer. The MTA-I allows for relatively easy construction of tissue-microarrays with several hundred specimens (typical size of an array is ~ 500 cases). User skill and practice is required. Each MTA includes: two pairs of punches with stylets (in size 0.6 mm diameter); one recipient block holder; one donor block bridge; operating manual containing detailed instructions for making tissue microarrays; tool set for adjusting the arrayer; add-on riser block feet to accommodate thicker recipient blocks; the manual arrayer has 1 year parts and labour warranty.