#850P Thumb Latch Set Parts Our Thumb Latches are hand forged and are sized accordingly for the interior and exterior use. The interior sizes include two weights to suit your individual needs. All are forged in the traditional manner by hand. The thumb lift striker is secured to the handle pull by means of a slit and bent rather than the pin. Each latch includes everything necessary to mount (drop bar, drive catch, drive staple and mounting hardware.) We do offer a few options such as a rat tail catch, twisted rat tail catch, surface staple offset drop bar or mortise catch. When ordering as an option: OD Offset Drop Bar(specify size) add $4.50 FMC Full Mortise Catch (shown in right photo) add $9.00 HMC Half Mortise Catch(shown in right photo)add $6.00 RC Rat Tail Catch add $3.00 TC Twisted Rat Tail Catch add $3.50 SS Surface Mount Staple no added Charge When ordering parts separately: Drop Bar $7.00 Drop Bar w/ Rat Tail $19.00 Catch $7.00 Full Mortise Catch $9.00 Half Mortise Catch $7.50 Catch w/ Twisted Rat Tail $8.50 Drive Staple $6.00 Surface Mount Staple $6.00 Thumb Piece $15.00