supply of buffer projection gauge specification 1) accuracy +/- 1.0 mm. 2) range 570 mm.to 665 mm 3) materialto be supplied along with calibration certificate by nabl approved lab and elegantly finished well padded woodenstoring and transportation box with working manual ,4) make/brand pie or prasad engineering or ganapathy .modelbpg-1 or similar.buffer projection gauge specification 1) accuracy +/- 1.0 mm. 2) range 570 mm.to 665 mm 3) materialto be supplied along with calibration certificate by nabl approved lab and elegantly finished well padded woodenstoring and transportation box with working manual ,4) make/brand pie or prasad engineering or ganapathy .modelbpg-1 or similar.,buffer projection gauge specification 1) accuracy +/- 1.0 mm. 2) range 570 mm.to 665 mm 3) materialto be supplied along with calibration certificate by nabl approved lab and elegantly finished well padded woodenstoring and transportation box with working manual ,4) make/brand pie or prasad engi neering or ganapathy .modelbpg-1 or similar. [ warranty period: 30 months after the date of delivery ] ]