1.0" x 2.0" Base Plate 'A' Tap Thru = 3/8-16
Part # 10BP2565
Regular price $ 7.36
Part #:10BP2565
Material: Clear anodized aluminum
'A' Tap Thread: 3/8" - 16
Mounts on the extrusion end* or side
Recommended Hardware for T-Slot Mount:
(2) 1/4-20 x 1/2" SHCS 
(2) 1/4-20 Economy T-Nut
Recommended Hardware for End Mount*:
(2) 1/4-20 x 3/4" SHCS