Pro Spot NP-3 Instruction Manual page 7

STEP 3A: ATTACH NP-3 MOUNT BRACKETS WITH M4 X 8 PHMS.
IF YOU DO NOT HAVE THE NP3 MOUNTING BRACKET TO ATTACH TO THE TOP SHELF.
SCREW ON YOUR NP3 THROUGH THE BOTTOM OF THE TOP SHELF WITH M6 X 30 PHMS.
STEP 3B: ATTACH OUTER SLIDE RAILS TO THE DRAWER BRACKETS WITH M4 HEX NUTS.
STEP 3C: ATTACH DRAWER BRACKETS TO THE TOP SHELF WITH M5 X 10 PHMS.
STEP 3D: ATTACH INNER SLIDE RAILS TO DRAWER WITH M4 X 8 PHMS.
STEP 3: DRAWER ASSEMBLY