1/4 Square Drive
Type | Item # | “A” | “B” | “C” | “D” |
American | 061500 | 3/4” | 11/16” | 5/8” | 9/16” |
American | 061501 | 1/2” | 7/16” | 3/8” | 5/16” |
American | 061527 | 1/2” | 3/8” | 1/4” | 1/8” |
American | 061502 | 1/4” | 7/32” | 3/16” | 1/8” |
Metric | 061503 | 19 mm | 17 mm | 16 mm | 14 mm |
Metric | 061504 | 13 mm | 12 mm | 11 mm | 10 mm |
Metric | 061505 | 9 mm | 8 mm | 7 mm | 6 mm |
Metric | 061529 | 9 mm | 7 mm | 5 mm | 3 mm |
Metric | 061528 | 8 mm | 6 mm | 4 mm | 2 mm |
Metric | 061506 | 5.5 mm | 5 mm | 4.5 mm | 4 mm |
3/8 Square Drive
Type | Item # | “A” |
“B” | “C” | “D” |
American | 061537 | 1” | 7/8” | 3/4” | 5/8” |
American | 061524 | 3/4” | 11/16” | 5/8” | 9/16” |
American | 061531 | 9/16” | 7/16” | 5/16” | 3/16” |
American | 061525 | 1/2” | 7/16” | 3/8” | 5/16” |
American | 061530 | 1/4” | 7/32” | 3/16” | 1/8” |
Metric | 061543 | 19 mm | 17 mm | 16 mm | 14 mm |
Metric | 061542 | 17 mm | 15 mm | 13 mm | 11 mm |
Metric | 061541 | 16 mm | 14 mm | 12 mm | 10 mm |
Metric | 061540 | 13 mm | 12 mm | 11 mm | 10 mm |
Metric | 061539 | 9 mm | 8 mm | 7 mm | 6 mm |
Metric | 061538 | 5.5 mm | 5 mm | 4.5 mm | 4 mm |



Allows multiple size wrenches to be used with one adapter.



Note!
Mountz
offers custom size hex step adapters. Please contact customer service.