A threshold plate which combines with RP33 or RP34 hook profiles to produce an interlocking threshold for outswinging exits. Particularly useful where panic bolts are installed and provides security. Location Door sill of outward opening doors. Seal Sizes Available in stock lengths. Maximum length 3000mm. Standard Finish Anodised Satin Clear or Bronze. Fixing Method Zinc plated, cross recess head S.T. screws of appropriate size are supplied. Used in conjunction RP33 and RP34 (as illustrated). Approvals Access & Mobility  UK/EU: Conforms to Approved Document M.