Anodized aluminum throttle, mixture and prop push-button knobs.  Have never been installed or used.  Purchased from D'Shannon for my 1961 35 Bonanza. 

STC paperwork states "Installation of replacement cockpit control knobs for throttle, mixture, propeller, parking brake, heater, and cowl flaps with parts manufactured in accordance with Dialco West drawing list kit 159000, no revision, dated February 17, 1992."

Will include copy of the STC paperwork for a V35A Beech aircraft and an approved model list (AML) which includes the following models:  35, A35, B35, C35, D35, E35, F35, G35, 35R, 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, E33, E33A, E33C, F33, F33A, F33C, G33, H35, J35, K35, M35, N35, P35, S35, V35, V35A, V35B, 36, A36, A36TC, B36TC.

Sold as-is without warranty and to continental US addresses only.