We offer two styles of CRL Adjustable Free-Swinging Bottom Pivots; our Cat. No. 1NT404 "MAB" Type Square Tapered Spindle, and our Cat. No. 1NT406 Flat Tapered Spindle. They provide 1/4" (6 mm) height adjustment and a 7/8" to 1" (22 to 25 mm) diameter hole for mounting. "Mab" style square tapered type spindle provides 1/4" (6 mm) height adjustment. Ideal for use with Cat. Nos. PH10D and PH11D Bottom Door Patch Fittings. All Pivots can be combined for quantity pricing.