Bosch PRO Multi Material Hole Saw, 79 mm, Threaded 3165140843034 1x UJK Ratchet Hold Down MAT9081N 1x UJK Ratchet Hold Down Clamp which ensures improved stability during hard impacts with Euro hole SKU Diameter mm Working length mm 2608901491 16 44 2608901493 19 44 2608901494 20 44 2608901495 21 44 2608901496 22 44 2608901498 25 44 2608901499 27 44 2608901500 29 44 2608901501 30 44 2608901502 32 44 2608901504 35 44 2608901506 38 44 2608901507 40 44 2608901508 41 44 2608901510 44 44 2608901511 46 44 2608901512 48 44 2608901513 51 44 2608901515 54 44 2608901517 57 44 2608901519 60 44 2608901520 64 44 2608901521 65 44 2608901523 68 44 2608901524 70 44 2608901525 73 44 2608901526 76 44 2608901527 79 44 2608901528 83 44 2608901530 89 44 2608901531 92 44 2608901532 95 44 2608901534 102 44 2608901535 105 44 2608901536 108 44 2608901538 114 44 2608901539 121 44 2608901540 127 44 2608901542 140 44 2608901544 152 44 Includes Easily interchangeable for different hole sizes