Designed Function: These camper shell T-handle locks designed to well replace your no-working Truck Cap locks, we offer L&R pair lock set, also single left and single right by another choice option. This option is RIGHT only, so recommend choose for only need replace RIGHT lock on your rear topper doors. Dimension： The truck cap lock rod is 1-11/16” length, install screw bolt 1/2” length, locking cam 2-3/4” length, other details dimension and install opening size as image-3. Recommend check the size is fit your truck cap before purchase. Easy to Install：Base on the L/R label or lock/unlock by yourself test to identify L/R lock at first; 2nd insert the truck camper t-lock rod through the install hole, adjust the hole size if needed; 3rd security the install screws to ensure cap t-locks firmly fixed on the truck camper door, then install the locking cam correctly and tighten the screws. Use/Note：Vertical=unlock; Horizontal=lock; Left truck T-lock=rotate counterclockwise 90 degree to lock on & reverse operation unlocking; Right truck T-lock=rotate clockwise 90 degree to lock on & reverse operation unlocking. Material：The truck topper t-handle lock is made of Zinc die cast with black powder coating finish, ensure long lasting in outdoor environment. Designed Function: These camper shell T-handle locks designed to well replace your no-working Truck Cap locks, we offer L&R pair lock set, also single left and single right by another choice option. This option is L&R pair, recommend for use on rear Topper doors with double T-Handles. Dimension： The truck cap lock rod is 1-11/16” length, install screw bolt 1/2” length, locking cam 2-3/4” length, other details dimension and install opening size as image-3. Recommend check the size is fit your truck cap before purchase. Easy to Install：Base on the L/R label or lock/unlock by yourself test to identify L/R lock at first; 2nd insert the truck camper t-lock rod through the install hole, adjust the hole size if needed; 3rd security the install screws to ensure cap t-locks firmly fixed on the truck camper door, then install the locking cam correctly and tighten the screws. Use/Note：Vertical=unlock; Horizontal=lock; Left truck T-lock=rotate counterclockwise 90 degree to lock on & reverse operation unlocking; Right truck T-lock=rotate clockwise 90 degree to lock on & reverse operation unlocking. Material/Package：The truck topper t-handle lock is made of Zinc die cast with black powder coating finish, ensure long lasting in outdoor environment. Package includes: 1* Left Cap T-lock, 1* Right Cap T-lock, 4*keys, 4*installing bolts, 2*locking cam, 2*cam fix bolts. Truck Cap Camper Shell T-handle Lock Latch Replacement Parts locking cam Truck Bed Topper Door Locking Kit Accessories Keys pickup rv trailer canopy Matching Set locks latches tailgate toper pop up t-lock rear doors with double T-Handles